64420525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{523}}^1$

素因数の和:925

約数の個数: 24

約数和(自身を含む): 86418080

約数和(自身を除く): 21997555

約数列:

[1, 5, 13, 25, 65, 325, 379, 523, 1895, 2615, 4927, 6799, 9475, 13075, 24635, 33995, 123175, 169975, 198217, 991085, 2576821, 4955425, 12884105, 64420525]

約数ペア:

[(1, 64420525), (5, 12884105), (13, 4955425), (25, 2576821), (65, 991085), (325, 198217), (379, 169975), (523, 123175), (1895, 33995), (2615, 24635), (4927, 13075), (6799, 9475)]