80641760

素因数分解:

$2^5\times 5^1\times {\mathrm{504011}}^1$

素因数の和:504026

約数の個数: 24

約数和(自身を含む): 190516536

約数和(自身を除く): 109874776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 504011, 1008022, 2016044, 2520055, 4032088, 5040110, 8064176, 10080220, 16128352, 20160440, 40320880, 80641760]

約数ペア:

[(1, 80641760), (2, 40320880), (4, 20160440), (5, 16128352), (8, 10080220), (10, 8064176), (16, 5040110), (20, 4032088), (32, 2520055), (40, 2016044), (80, 1008022), (160, 504011)]