13781980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22229}}^1$

素因数の和:22269

約数の個数: 24

約数和(自身を含む): 29877120

約数和(自身を除く): 16095140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 22229, 44458, 88916, 111145, 222290, 444580, 689099, 1378198, 2756396, 3445495, 6890990, 13781980]

約数ペア:

[(1, 13781980), (2, 6890990), (4, 3445495), (5, 2756396), (10, 1378198), (20, 689099), (31, 444580), (62, 222290), (124, 111145), (155, 88916), (310, 44458), (620, 22229)]