64465240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{230233}}^1$

素因数の和:230251

約数の個数: 32

約数和(自身を含む): 165768480

約数和(自身を除く): 101303240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 230233, 460466, 920932, 1151165, 1611631, 1841864, 2302330, 3223262, 4604660, 6446524, 8058155, 9209320, 12893048, 16116310, 32232620, 64465240]

約数ペア:

[(1, 64465240), (2, 32232620), (4, 16116310), (5, 12893048), (7, 9209320), (8, 8058155), (10, 6446524), (14, 4604660), (20, 3223262), (28, 2302330), (35, 1841864), (40, 1611631), (56, 1151165), (70, 920932), (140, 460466), (280, 230233)]