129208000

素因数分解:

$2^6\times 5^3\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:579

約数の個数: 112

約数和(自身を含む): 330939648

約数和(自身を除く): 201731648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 320, 400, 496, 500, 521, 620, 775, 800, 992, 1000, 1042, 1240, 1550, 1600, 1984, 2000, 2084, 2480, 2605, 3100, 3875, 4000, 4168, 4960, 5210, 6200, 7750, 8000, 8336, 9920, 10420, 12400, 13025, 15500, 16151, 16672, 20840, 24800, 26050, 31000, 32302, 33344, 41680, 49600, 52100, 62000, 64604, 65125, 80755, 83360, 104200, 124000, 129208, 130250, 161510, 166720, 208400, 248000, 258416, 260500, 323020, 403775, 416800, 516832, 521000, 646040, 807550, 833600, 1033664, 1042000, 1292080, 1615100, 2018875, 2084000, 2584160, 3230200, 4037750, 4168000, 5168320, 6460400, 8075500, 12920800, 16151000, 25841600, 32302000, 64604000, 129208000]

約数ペア:

[(1, 129208000), (2, 64604000), (4, 32302000), (5, 25841600), (8, 16151000), (10, 12920800), (16, 8075500), (20, 6460400), (25, 5168320), (31, 4168000), (32, 4037750), (40, 3230200), (50, 2584160), (62, 2084000), (64, 2018875), (80, 1615100), (100, 1292080), (124, 1042000), (125, 1033664), (155, 833600), (160, 807550), (200, 646040), (248, 521000), (250, 516832), (310, 416800), (320, 403775), (400, 323020), (496, 260500), (500, 258416), (521, 248000), (620, 208400), (775, 166720), (800, 161510), (992, 130250), (1000, 129208), (1042, 124000), (1240, 104200), (1550, 83360), (1600, 80755), (1984, 65125), (2000, 64604), (2084, 62000), (2480, 52100), (2605, 49600), (3100, 41680), (3875, 33344), (4000, 32302), (4168, 31000), (4960, 26050), (5210, 24800), (6200, 20840), (7750, 16672), (8000, 16151), (8336, 15500), (9920, 13025), (10420, 12400)]