7913980

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1471}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 16692480

約数和(自身を除く): 8778500

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 1471, 2690, 2942, 5380, 5884, 7355, 14710, 29420, 395699, 791398, 1582796, 1978495, 3956990, 7913980]

約数ペア:

[(1, 7913980), (2, 3956990), (4, 1978495), (5, 1582796), (10, 791398), (20, 395699), (269, 29420), (538, 14710), (1076, 7355), (1345, 5884), (1471, 5380), (2690, 2942)]