25243240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 62674560

約数和(自身を除く): 37431320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 440, 515, 557, 824, 1030, 1114, 1133, 2060, 2228, 2266, 2785, 4120, 4456, 4532, 5570, 5665, 6127, 9064, 11140, 11330, 12254, 22280, 22660, 24508, 30635, 45320, 49016, 57371, 61270, 114742, 122540, 229484, 245080, 286855, 458968, 573710, 631081, 1147420, 1262162, 2294840, 2524324, 3155405, 5048648, 6310810, 12621620, 25243240]

約数ペア:

[(1, 25243240), (2, 12621620), (4, 6310810), (5, 5048648), (8, 3155405), (10, 2524324), (11, 2294840), (20, 1262162), (22, 1147420), (40, 631081), (44, 573710), (55, 458968), (88, 286855), (103, 245080), (110, 229484), (206, 122540), (220, 114742), (412, 61270), (440, 57371), (515, 49016), (557, 45320), (824, 30635), (1030, 24508), (1114, 22660), (1133, 22280), (2060, 12254), (2228, 11330), (2266, 11140), (2785, 9064), (4120, 6127), (4456, 5665), (4532, 5570)]