70340420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{85781}}^1$

素因数の和:85831

約数の個数: 24

約数和(自身を含む): 151319448

約数和(自身を除く): 80979028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 85781, 171562, 343124, 428905, 857810, 1715620, 3517021, 7034042, 14068084, 17585105, 35170210, 70340420]

約数ペア:

[(1, 70340420), (2, 35170210), (4, 17585105), (5, 14068084), (10, 7034042), (20, 3517021), (41, 1715620), (82, 857810), (164, 428905), (205, 343124), (410, 171562), (820, 85781)]