12885620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1583}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 30336768

約数和(自身を除く): 17451148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1583, 1628, 2035, 3166, 4070, 6332, 7915, 8140, 15830, 17413, 31660, 34826, 58571, 69652, 87065, 117142, 174130, 234284, 292855, 348260, 585710, 644281, 1171420, 1288562, 2577124, 3221405, 6442810, 12885620]

約数ペア:

[(1, 12885620), (2, 6442810), (4, 3221405), (5, 2577124), (10, 1288562), (11, 1171420), (20, 644281), (22, 585710), (37, 348260), (44, 292855), (55, 234284), (74, 174130), (110, 117142), (148, 87065), (185, 69652), (220, 58571), (370, 34826), (407, 31660), (740, 17413), (814, 15830), (1583, 8140), (1628, 7915), (2035, 6332), (3166, 4070)]