20172860125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{10457}}^1$

素因数の和:10567

約数の個数: 64

約数和(自身を含む): 29131135488

約数和(自身を除く): 8958275363

約数列:

[1, 5, 11, 23, 25, 55, 61, 115, 125, 253, 275, 305, 575, 671, 1265, 1375, 1403, 1525, 2875, 3355, 6325, 7015, 7625, 10457, 15433, 16775, 31625, 35075, 52285, 77165, 83875, 115027, 175375, 240511, 261425, 385825, 575135, 637877, 1202555, 1307125, 1929125, 2645621, 2875675, 3189385, 6012775, 7016647, 13228105, 14378375, 14671171, 15946925, 30063875, 35083235, 66140525, 73355855, 79734625, 161382881, 175416175, 330702625, 366779275, 806914405, 877080875, 1833896375, 4034572025, 20172860125]

約数ペア:

[(1, 20172860125), (5, 4034572025), (11, 1833896375), (23, 877080875), (25, 806914405), (55, 366779275), (61, 330702625), (115, 175416175), (125, 161382881), (253, 79734625), (275, 73355855), (305, 66140525), (575, 35083235), (671, 30063875), (1265, 15946925), (1375, 14671171), (1403, 14378375), (1525, 13228105), (2875, 7016647), (3355, 6012775), (6325, 3189385), (7015, 2875675), (7625, 2645621), (10457, 1929125), (15433, 1307125), (16775, 1202555), (31625, 637877), (35075, 575135), (52285, 385825), (77165, 261425), (83875, 240511), (115027, 175375)]