8478301520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8152213}}^1$

素因数の和:8152239

約数の個数: 40

約数和(自身を含む): 21228365256

約数和(自身を除く): 12750063736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 8152213, 16304426, 32608852, 40761065, 65217704, 81522130, 105978769, 130435408, 163044260, 211957538, 326088520, 423915076, 529893845, 652177040, 847830152, 1059787690, 1695660304, 2119575380, 4239150760, 8478301520]

約数ペア:

[(1, 8478301520), (2, 4239150760), (4, 2119575380), (5, 1695660304), (8, 1059787690), (10, 847830152), (13, 652177040), (16, 529893845), (20, 423915076), (26, 326088520), (40, 211957538), (52, 163044260), (65, 130435408), (80, 105978769), (104, 81522130), (130, 65217704), (208, 40761065), (260, 32608852), (520, 16304426), (1040, 8152213)]