20132007080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1\times {\mathrm{25693}}^1$

素因数の和:26754

約数の個数: 64

約数和(自身を含む): 47729174400

約数和(自身を除く): 27597167320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1031, 2062, 4124, 5155, 8248, 10310, 19589, 20620, 25693, 39178, 41240, 51386, 78356, 97945, 102772, 128465, 156712, 195890, 205544, 256930, 391780, 488167, 513860, 783560, 976334, 1027720, 1952668, 2440835, 3905336, 4881670, 9763340, 19526680, 26489483, 52978966, 105957932, 132447415, 211915864, 264894830, 503300177, 529789660, 1006600354, 1059579320, 2013200708, 2516500885, 4026401416, 5033001770, 10066003540, 20132007080]

約数ペア:

[(1, 20132007080), (2, 10066003540), (4, 5033001770), (5, 4026401416), (8, 2516500885), (10, 2013200708), (19, 1059579320), (20, 1006600354), (38, 529789660), (40, 503300177), (76, 264894830), (95, 211915864), (152, 132447415), (190, 105957932), (380, 52978966), (760, 26489483), (1031, 19526680), (2062, 9763340), (4124, 4881670), (5155, 3905336), (8248, 2440835), (10310, 1952668), (19589, 1027720), (20620, 976334), (25693, 783560), (39178, 513860), (41240, 488167), (51386, 391780), (78356, 256930), (97945, 205544), (102772, 195890), (128465, 156712)]