7163980

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1979}}^1$

素因数の和:2169

約数の個数: 24

約数和(自身を含む): 15135120

約数和(自身を除く): 7971140

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 1979, 3620, 3958, 7916, 9895, 19790, 39580, 358199, 716398, 1432796, 1790995, 3581990, 7163980]

約数ペア:

[(1, 7163980), (2, 3581990), (4, 1790995), (5, 1432796), (10, 716398), (20, 358199), (181, 39580), (362, 19790), (724, 9895), (905, 7916), (1810, 3958), (1979, 3620)]