12621620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 29248128

約数和(自身を除く): 16626508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 557, 1030, 1114, 1133, 2060, 2228, 2266, 2785, 4532, 5570, 5665, 6127, 11140, 11330, 12254, 22660, 24508, 30635, 57371, 61270, 114742, 122540, 229484, 286855, 573710, 631081, 1147420, 1262162, 2524324, 3155405, 6310810, 12621620]

約数ペア:

[(1, 12621620), (2, 6310810), (4, 3155405), (5, 2524324), (10, 1262162), (11, 1147420), (20, 631081), (22, 573710), (44, 286855), (55, 229484), (103, 122540), (110, 114742), (206, 61270), (220, 57371), (412, 30635), (515, 24508), (557, 22660), (1030, 12254), (1114, 11330), (1133, 11140), (2060, 6127), (2228, 5665), (2266, 5570), (2785, 4532)]