25960870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{691}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 53535888

約数和(自身を除く): 27575018

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 289, 442, 578, 691, 1105, 1382, 1445, 2210, 2890, 3455, 3757, 6910, 7514, 8983, 11747, 17966, 18785, 23494, 37570, 44915, 58735, 89830, 117470, 152711, 199699, 305422, 399398, 763555, 998495, 1527110, 1996990, 2596087, 5192174, 12980435, 25960870]

約数ペア:

[(1, 25960870), (2, 12980435), (5, 5192174), (10, 2596087), (13, 1996990), (17, 1527110), (26, 998495), (34, 763555), (65, 399398), (85, 305422), (130, 199699), (170, 152711), (221, 117470), (289, 89830), (442, 58735), (578, 44915), (691, 37570), (1105, 23494), (1382, 18785), (1445, 17966), (2210, 11747), (2890, 8983), (3455, 7514), (3757, 6910)]