20108509600

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{9769}}^1$

素因数の和:9903

約数の個数: 144

約数和(自身を含む): 51289217280

約数和(自身を除く): 31180707680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 83, 100, 124, 155, 160, 166, 200, 248, 310, 332, 400, 415, 496, 620, 664, 775, 800, 830, 992, 1240, 1328, 1550, 1660, 2075, 2480, 2573, 2656, 3100, 3320, 4150, 4960, 5146, 6200, 6640, 8300, 9769, 10292, 12400, 12865, 13280, 16600, 19538, 20584, 24800, 25730, 33200, 39076, 41168, 48845, 51460, 64325, 66400, 78152, 82336, 97690, 102920, 128650, 156304, 195380, 205840, 244225, 257300, 302839, 312608, 390760, 411680, 488450, 514600, 605678, 781520, 810827, 976900, 1029200, 1211356, 1514195, 1563040, 1621654, 1953800, 2058400, 2422712, 3028390, 3243308, 3907600, 4054135, 4845424, 6056780, 6486616, 7570975, 7815200, 8108270, 9690848, 12113560, 12973232, 15141950, 16216540, 20270675, 24227120, 25135637, 25946464, 30283900, 32433080, 40541350, 48454240, 50271274, 60567800, 64866160, 81082700, 100542548, 121135600, 125678185, 129732320, 162165400, 201085096, 242271200, 251356370, 324330800, 402170192, 502712740, 628390925, 648661600, 804340384, 1005425480, 1256781850, 2010850960, 2513563700, 4021701920, 5027127400, 10054254800, 20108509600]

約数ペア:

[(1, 20108509600), (2, 10054254800), (4, 5027127400), (5, 4021701920), (8, 2513563700), (10, 2010850960), (16, 1256781850), (20, 1005425480), (25, 804340384), (31, 648661600), (32, 628390925), (40, 502712740), (50, 402170192), (62, 324330800), (80, 251356370), (83, 242271200), (100, 201085096), (124, 162165400), (155, 129732320), (160, 125678185), (166, 121135600), (200, 100542548), (248, 81082700), (310, 64866160), (332, 60567800), (400, 50271274), (415, 48454240), (496, 40541350), (620, 32433080), (664, 30283900), (775, 25946464), (800, 25135637), (830, 24227120), (992, 20270675), (1240, 16216540), (1328, 15141950), (1550, 12973232), (1660, 12113560), (2075, 9690848), (2480, 8108270), (2573, 7815200), (2656, 7570975), (3100, 6486616), (3320, 6056780), (4150, 4845424), (4960, 4054135), (5146, 3907600), (6200, 3243308), (6640, 3028390), (8300, 2422712), (9769, 2058400), (10292, 1953800), (12400, 1621654), (12865, 1563040), (13280, 1514195), (16600, 1211356), (19538, 1029200), (20584, 976900), (24800, 810827), (25730, 781520), (33200, 605678), (39076, 514600), (41168, 488450), (48845, 411680), (51460, 390760), (64325, 312608), (66400, 302839), (78152, 257300), (82336, 244225), (97690, 205840), (102920, 195380), (128650, 156304)]