1155640

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 2630880

約数和(自身を除く): 1475240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 173, 334, 346, 668, 692, 835, 865, 1336, 1384, 1670, 1730, 3340, 3460, 6680, 6920, 28891, 57782, 115564, 144455, 231128, 288910, 577820, 1155640]

約数ペア:

[(1, 1155640), (2, 577820), (4, 288910), (5, 231128), (8, 144455), (10, 115564), (20, 57782), (40, 28891), (167, 6920), (173, 6680), (334, 3460), (346, 3340), (668, 1730), (692, 1670), (835, 1384), (865, 1336)]