65002720

素因数分解:

$2^5\times 5^1\times {\mathrm{406267}}^1$

素因数の和:406282

約数の個数: 24

約数和(自身を含む): 153569304

約数和(自身を除く): 88566584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 406267, 812534, 1625068, 2031335, 3250136, 4062670, 6500272, 8125340, 13000544, 16250680, 32501360, 65002720]

約数ペア:

[(1, 65002720), (2, 32501360), (4, 16250680), (5, 13000544), (8, 8125340), (10, 6500272), (16, 4062670), (20, 3250136), (32, 2031335), (40, 1625068), (80, 812534), (160, 406267)]