64604000

素因数分解:

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

素因数の和:577

約数の個数: 96

約数和(自身を含む): 164166912

約数和(自身を除く): 99562912

約数列:

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

約数ペア:

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