2021843525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{7559}}^1$

素因数の和:8405

約数の個数: 24

約数和(自身を含む): 2703576960

約数和(自身を除く): 681733435

約数列:

[1, 5, 13, 25, 65, 325, 823, 4115, 7559, 10699, 20575, 37795, 53495, 98267, 188975, 267475, 491335, 2456675, 6221057, 31105285, 80873741, 155526425, 404368705, 2021843525]

約数ペア:

[(1, 2021843525), (5, 404368705), (13, 155526425), (25, 80873741), (65, 31105285), (325, 6221057), (823, 2456675), (4115, 491335), (7559, 267475), (10699, 188975), (20575, 98267), (37795, 53495)]