68288440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{155201}}^1$

素因数の和:155223

約数の個数: 32

約数和(自身を含む): 167618160

約数和(自身を除く): 99329720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 155201, 310402, 620804, 776005, 1241608, 1552010, 1707211, 3104020, 3414422, 6208040, 6828844, 8536055, 13657688, 17072110, 34144220, 68288440]

約数ペア:

[(1, 68288440), (2, 34144220), (4, 17072110), (5, 13657688), (8, 8536055), (10, 6828844), (11, 6208040), (20, 3414422), (22, 3104020), (40, 1707211), (44, 1552010), (55, 1241608), (88, 776005), (110, 620804), (220, 310402), (440, 155201)]