2020759975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1777}}^1\times {\mathrm{3499}}^1$

素因数の和:5299

約数の個数: 24

約数和(自身を含む): 2700782000

約数和(自身を除く): 680022025

約数列:

[1, 5, 13, 25, 65, 325, 1777, 3499, 8885, 17495, 23101, 44425, 45487, 87475, 115505, 227435, 577525, 1137175, 6217723, 31088615, 80830399, 155443075, 404151995, 2020759975]

約数ペア:

[(1, 2020759975), (5, 404151995), (13, 155443075), (25, 80830399), (65, 31088615), (325, 6217723), (1777, 1137175), (3499, 577525), (8885, 227435), (17495, 115505), (23101, 87475), (44425, 45487)]