28385766775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{907}}^1\times {\mathrm{1607}}^1$

素因数の和:2584

約数の個数: 48

約数和(自身を含む): 38020066560

約数和(自身を除く): 9634299785

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 907, 1025, 1607, 3895, 4535, 8035, 17233, 19475, 22675, 30533, 37187, 40175, 65887, 86165, 152665, 185935, 329435, 430825, 706553, 763325, 929675, 1251853, 1457549, 1647175, 3532765, 6259265, 7287745, 17663825, 27693431, 31296325, 36438725, 59759509, 138467155, 298797545, 692335775, 1135430671, 1493987725, 5677153355, 28385766775]

約数ペア:

[(1, 28385766775), (5, 5677153355), (19, 1493987725), (25, 1135430671), (41, 692335775), (95, 298797545), (205, 138467155), (475, 59759509), (779, 36438725), (907, 31296325), (1025, 27693431), (1607, 17663825), (3895, 7287745), (4535, 6259265), (8035, 3532765), (17233, 1647175), (19475, 1457549), (22675, 1251853), (30533, 929675), (37187, 763325), (40175, 706553), (65887, 430825), (86165, 329435), (152665, 185935)]