64156690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6247}}^1$

素因数の和:6346

約数の個数: 32

約数和(自身を含む): 125959680

約数和(自身を除く): 61802990

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 6247, 10270, 12494, 31235, 62470, 81211, 162422, 406055, 493513, 812110, 987026, 2467565, 4935130, 6415669, 12831338, 32078345, 64156690]

約数ペア:

[(1, 64156690), (2, 32078345), (5, 12831338), (10, 6415669), (13, 4935130), (26, 2467565), (65, 987026), (79, 812110), (130, 493513), (158, 406055), (395, 162422), (790, 81211), (1027, 62470), (2054, 31235), (5135, 12494), (6247, 10270)]