25734980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 56306880

約数和(自身を除く): 30571900

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 83, 148, 166, 185, 332, 370, 415, 419, 740, 830, 838, 1660, 1676, 2095, 3071, 4190, 6142, 8380, 12284, 15355, 15503, 30710, 31006, 34777, 61420, 62012, 69554, 77515, 139108, 155030, 173885, 310060, 347770, 695540, 1286749, 2573498, 5146996, 6433745, 12867490, 25734980]

約数ペア:

[(1, 25734980), (2, 12867490), (4, 6433745), (5, 5146996), (10, 2573498), (20, 1286749), (37, 695540), (74, 347770), (83, 310060), (148, 173885), (166, 155030), (185, 139108), (332, 77515), (370, 69554), (415, 62012), (419, 61420), (740, 34777), (830, 31006), (838, 30710), (1660, 15503), (1676, 15355), (2095, 12284), (3071, 8380), (4190, 6142)]