128118040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{373}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 299439360

約数和(自身を除く): 171321320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 277, 310, 373, 554, 620, 746, 1108, 1240, 1385, 1492, 1865, 2216, 2770, 2984, 3730, 5540, 7460, 8587, 11080, 11563, 14920, 17174, 23126, 34348, 42935, 46252, 57815, 68696, 85870, 92504, 103321, 115630, 171740, 206642, 231260, 343480, 413284, 462520, 516605, 826568, 1033210, 2066420, 3202951, 4132840, 6405902, 12811804, 16014755, 25623608, 32029510, 64059020, 128118040]

約数ペア:

[(1, 128118040), (2, 64059020), (4, 32029510), (5, 25623608), (8, 16014755), (10, 12811804), (20, 6405902), (31, 4132840), (40, 3202951), (62, 2066420), (124, 1033210), (155, 826568), (248, 516605), (277, 462520), (310, 413284), (373, 343480), (554, 231260), (620, 206642), (746, 171740), (1108, 115630), (1240, 103321), (1385, 92504), (1492, 85870), (1865, 68696), (2216, 57815), (2770, 46252), (2984, 42935), (3730, 34348), (5540, 23126), (7460, 17174), (8587, 14920), (11080, 11563)]