15690098125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 21778428672

約数和(自身を除く): 6088330547

約数列:

[1, 5, 13, 25, 47, 65, 125, 181, 227, 235, 325, 611, 625, 905, 1135, 1175, 1625, 2353, 2951, 3055, 4525, 5675, 5875, 8125, 8507, 10669, 11765, 14755, 15275, 22625, 28375, 29375, 41087, 42535, 53345, 58825, 73775, 76375, 110591, 113125, 138697, 141875, 205435, 212675, 266725, 294125, 368875, 381875, 534131, 552955, 693485, 1027175, 1063375, 1333625, 1470625, 1844375, 1931089, 2670655, 2764775, 3467425, 5135875, 5316875, 6668125, 9655445, 13353275, 13823875, 17337125, 25104157, 25679375, 48277225, 66766375, 69119375, 86685625, 125520785, 241386125, 333831875, 627603925, 1206930625, 3138019625, 15690098125]

約数ペア:

[(1, 15690098125), (5, 3138019625), (13, 1206930625), (25, 627603925), (47, 333831875), (65, 241386125), (125, 125520785), (181, 86685625), (227, 69119375), (235, 66766375), (325, 48277225), (611, 25679375), (625, 25104157), (905, 17337125), (1135, 13823875), (1175, 13353275), (1625, 9655445), (2353, 6668125), (2951, 5316875), (3055, 5135875), (4525, 3467425), (5675, 2764775), (5875, 2670655), (8125, 1931089), (8507, 1844375), (10669, 1470625), (11765, 1333625), (14755, 1063375), (15275, 1027175), (22625, 693485), (28375, 552955), (29375, 534131), (41087, 381875), (42535, 368875), (53345, 294125), (58825, 266725), (73775, 212675), (76375, 205435), (110591, 141875), (113125, 138697)]