13688980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22079}}^1$

素因数の和:22119

約数の個数: 24

約数和(自身を含む): 29675520

約数和(自身を除く): 15986540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 22079, 44158, 88316, 110395, 220790, 441580, 684449, 1368898, 2737796, 3422245, 6844490, 13688980]

約数ペア:

[(1, 13688980), (2, 6844490), (4, 3422245), (5, 2737796), (10, 1368898), (20, 684449), (31, 441580), (62, 220790), (124, 110395), (155, 88316), (310, 44158), (620, 22079)]