15680459540

素因数分解:

$2^2\times 5^1\times {\mathrm{19319}}^1\times {\mathrm{40583}}^1$

素因数の和:59911

約数の個数: 24

約数和(自身を含む): 32931480960

約数和(自身を除く): 17251021420

約数列:

[1, 2, 4, 5, 10, 20, 19319, 38638, 40583, 77276, 81166, 96595, 162332, 193190, 202915, 386380, 405830, 811660, 784022977, 1568045954, 3136091908, 3920114885, 7840229770, 15680459540]

約数ペア:

[(1, 15680459540), (2, 7840229770), (4, 3920114885), (5, 3136091908), (10, 1568045954), (20, 784022977), (19319, 811660), (38638, 405830), (40583, 386380), (77276, 202915), (81166, 193190), (96595, 162332)]