15890380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72229}}^1$

素因数の和:72249

約数の個数: 24

約数和(自身を含む): 36403920

約数和(自身を除く): 20513540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 72229, 144458, 288916, 361145, 722290, 794519, 1444580, 1589038, 3178076, 3972595, 7945190, 15890380]

約数ペア:

[(1, 15890380), (2, 7945190), (4, 3972595), (5, 3178076), (10, 1589038), (11, 1444580), (20, 794519), (22, 722290), (44, 361145), (55, 288916), (110, 144458), (220, 72229)]