128693575

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 163270800

約数和(自身を除く): 34577225

約数列:

[1, 5, 25, 83, 109, 415, 545, 569, 2075, 2725, 2845, 9047, 14225, 45235, 47227, 62021, 226175, 236135, 310105, 1180675, 1550525, 5147743, 25738715, 128693575]

約数ペア:

[(1, 128693575), (5, 25738715), (25, 5147743), (83, 1550525), (109, 1180675), (415, 310105), (545, 236135), (569, 226175), (2075, 62021), (2725, 47227), (2845, 45235), (9047, 14225)]