25750010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1679

約数の個数: 48

約数和(自身を含む): 54899208

約数和(自身を除く): 29149198

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 242, 286, 605, 715, 1210, 1430, 1573, 1637, 3146, 3274, 7865, 8185, 15730, 16370, 18007, 21281, 36014, 42562, 90035, 106405, 180070, 198077, 212810, 234091, 396154, 468182, 990385, 1170455, 1980770, 2340910, 2575001, 5150002, 12875005, 25750010]

約数ペア:

[(1, 25750010), (2, 12875005), (5, 5150002), (10, 2575001), (11, 2340910), (13, 1980770), (22, 1170455), (26, 990385), (55, 468182), (65, 396154), (110, 234091), (121, 212810), (130, 198077), (143, 180070), (242, 106405), (286, 90035), (605, 42562), (715, 36014), (1210, 21281), (1430, 18007), (1573, 16370), (1637, 15730), (3146, 8185), (3274, 7865)]