29856920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10513}}^1$

素因数の和:10595

約数の個数: 32

約数和(自身を含む): 68130720

約数和(自身を除く): 38273800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 10513, 21026, 42052, 52565, 84104, 105130, 210260, 420520, 746423, 1492846, 2985692, 3732115, 5971384, 7464230, 14928460, 29856920]

約数ペア:

[(1, 29856920), (2, 14928460), (4, 7464230), (5, 5971384), (8, 3732115), (10, 2985692), (20, 1492846), (40, 746423), (71, 420520), (142, 210260), (284, 105130), (355, 84104), (568, 52565), (710, 42052), (1420, 21026), (2840, 10513)]