65720920

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{11027}}^1$

素因数の和:11187

約数の個数: 32

約数和(自身を含む): 148878000

約数和(自身を除く): 83157080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 11027, 22054, 44108, 55135, 88216, 110270, 220540, 441080, 1643023, 3286046, 6572092, 8215115, 13144184, 16430230, 32860460, 65720920]

約数ペア:

[(1, 65720920), (2, 32860460), (4, 16430230), (5, 13144184), (8, 8215115), (10, 6572092), (20, 3286046), (40, 1643023), (149, 441080), (298, 220540), (596, 110270), (745, 88216), (1192, 55135), (1490, 44108), (2980, 22054), (5960, 11027)]