157903120

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19163}}^1$

素因数の和:19279

約数の個数: 40

約数和(自身を含む): 370708416

約数和(自身を除く): 212805296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 19163, 38326, 76652, 95815, 153304, 191630, 306608, 383260, 766520, 1533040, 1973789, 3947578, 7895156, 9868945, 15790312, 19737890, 31580624, 39475780, 78951560, 157903120]

約数ペア:

[(1, 157903120), (2, 78951560), (4, 39475780), (5, 31580624), (8, 19737890), (10, 15790312), (16, 9868945), (20, 7895156), (40, 3947578), (80, 1973789), (103, 1533040), (206, 766520), (412, 383260), (515, 306608), (824, 191630), (1030, 153304), (1648, 95815), (2060, 76652), (4120, 38326), (8240, 19163)]