42446920

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2179}}^1$

素因数の和:2677

約数の個数: 32

約数和(自身を含む): 95745600

約数和(自身を除く): 53298680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2179, 2435, 3896, 4358, 4870, 8716, 9740, 10895, 17432, 19480, 21790, 43580, 87160, 1061173, 2122346, 4244692, 5305865, 8489384, 10611730, 21223460, 42446920]

約数ペア:

[(1, 42446920), (2, 21223460), (4, 10611730), (5, 8489384), (8, 5305865), (10, 4244692), (20, 2122346), (40, 1061173), (487, 87160), (974, 43580), (1948, 21790), (2179, 19480), (2435, 17432), (3896, 10895), (4358, 9740), (4870, 8716)]