12998840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8783}}^1$

素因数の和:8831

約数の個数: 32

約数和(自身を含む): 30041280

約数和(自身を除く): 17042440

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 8783, 17566, 35132, 43915, 70264, 87830, 175660, 324971, 351320, 649942, 1299884, 1624855, 2599768, 3249710, 6499420, 12998840]

約数ペア:

[(1, 12998840), (2, 6499420), (4, 3249710), (5, 2599768), (8, 1624855), (10, 1299884), (20, 649942), (37, 351320), (40, 324971), (74, 175660), (148, 87830), (185, 70264), (296, 43915), (370, 35132), (740, 17566), (1480, 8783)]