39897650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61381}}^1$

素因数の和:61406

約数の個数: 24

約数和(自身を含む): 79919364

約数和(自身を除く): 40021714

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 61381, 122762, 306905, 613810, 797953, 1534525, 1595906, 3069050, 3989765, 7979530, 19948825, 39897650]

約数ペア:

[(1, 39897650), (2, 19948825), (5, 7979530), (10, 3989765), (13, 3069050), (25, 1595906), (26, 1534525), (50, 797953), (65, 613810), (130, 306905), (325, 122762), (650, 61381)]