261567982520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{503015351}}^1$

素因数の和:503015375

約数の個数: 32

約数和(自身を含む): 633799343520

約数和(自身を除く): 372231361000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 503015351, 1006030702, 2012061404, 2515076755, 4024122808, 5030153510, 6539199563, 10060307020, 13078399126, 20120614040, 26156798252, 32695997815, 52313596504, 65391995630, 130783991260, 261567982520]

約数ペア:

[(1, 261567982520), (2, 130783991260), (4, 65391995630), (5, 52313596504), (8, 32695997815), (10, 26156798252), (13, 20120614040), (20, 13078399126), (26, 10060307020), (40, 6539199563), (52, 5030153510), (65, 4024122808), (104, 2515076755), (130, 2012061404), (260, 1006030702), (520, 503015351)]