71140040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 167132160

約数和(自身を除く): 95992120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 103, 124, 155, 206, 248, 310, 412, 515, 557, 620, 824, 1030, 1114, 1240, 2060, 2228, 2785, 3193, 4120, 4456, 5570, 6386, 11140, 12772, 15965, 17267, 22280, 25544, 31930, 34534, 57371, 63860, 69068, 86335, 114742, 127720, 138136, 172670, 229484, 286855, 345340, 458968, 573710, 690680, 1147420, 1778501, 2294840, 3557002, 7114004, 8892505, 14228008, 17785010, 35570020, 71140040]

約数ペア:

[(1, 71140040), (2, 35570020), (4, 17785010), (5, 14228008), (8, 8892505), (10, 7114004), (20, 3557002), (31, 2294840), (40, 1778501), (62, 1147420), (103, 690680), (124, 573710), (155, 458968), (206, 345340), (248, 286855), (310, 229484), (412, 172670), (515, 138136), (557, 127720), (620, 114742), (824, 86335), (1030, 69068), (1114, 63860), (1240, 57371), (2060, 34534), (2228, 31930), (2785, 25544), (3193, 22280), (4120, 17267), (4456, 15965), (5570, 12772), (6386, 11140)]