512637970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{25117}}^1$

素因数の和:25294

約数の個数: 32

約数和(自身を含む): 1000098288

約数和(自身を除く): 487460318

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1570, 2041, 4082, 10205, 20410, 25117, 50234, 125585, 251170, 326521, 653042, 1632605, 3265210, 3943369, 7886738, 19716845, 39433690, 51263797, 102527594, 256318985, 512637970]

約数ペア:

[(1, 512637970), (2, 256318985), (5, 102527594), (10, 51263797), (13, 39433690), (26, 19716845), (65, 7886738), (130, 3943369), (157, 3265210), (314, 1632605), (785, 653042), (1570, 326521), (2041, 251170), (4082, 125585), (10205, 50234), (20410, 25117)]