16521140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26647}}^1$

素因数の和:26687

約数の個数: 24

約数和(自身を含む): 35814912

約数和(自身を除く): 19293772

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 26647, 53294, 106588, 133235, 266470, 532940, 826057, 1652114, 3304228, 4130285, 8260570, 16521140]

約数ペア:

[(1, 16521140), (2, 8260570), (4, 4130285), (5, 3304228), (10, 1652114), (20, 826057), (31, 532940), (62, 266470), (124, 133235), (155, 106588), (310, 53294), (620, 26647)]