72723460

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{2633}}^1$

素因数の和:4023

約数の個数: 24

約数和(自身を含む): 152887896

約数和(自身を除く): 80164436

約数列:

[1, 2, 4, 5, 10, 20, 1381, 2633, 2762, 5266, 5524, 6905, 10532, 13165, 13810, 26330, 27620, 52660, 3636173, 7272346, 14544692, 18180865, 36361730, 72723460]

約数ペア:

[(1, 72723460), (2, 36361730), (4, 18180865), (5, 14544692), (10, 7272346), (20, 3636173), (1381, 52660), (2633, 27620), (2762, 26330), (5266, 13810), (5524, 13165), (6905, 10532)]