12553640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 31224960

約数和(自身を除く): 18671320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 277, 412, 440, 515, 554, 824, 1030, 1108, 1133, 1385, 2060, 2216, 2266, 2770, 3047, 4120, 4532, 5540, 5665, 6094, 9064, 11080, 11330, 12188, 15235, 22660, 24376, 28531, 30470, 45320, 57062, 60940, 114124, 121880, 142655, 228248, 285310, 313841, 570620, 627682, 1141240, 1255364, 1569205, 2510728, 3138410, 6276820, 12553640]

約数ペア:

[(1, 12553640), (2, 6276820), (4, 3138410), (5, 2510728), (8, 1569205), (10, 1255364), (11, 1141240), (20, 627682), (22, 570620), (40, 313841), (44, 285310), (55, 228248), (88, 142655), (103, 121880), (110, 114124), (206, 60940), (220, 57062), (277, 45320), (412, 30470), (440, 28531), (515, 24376), (554, 22660), (824, 15235), (1030, 12188), (1108, 11330), (1133, 11080), (1385, 9064), (2060, 6094), (2216, 5665), (2266, 5540), (2770, 4532), (3047, 4120)]