16408940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{11239}}^1$

素因数の和:11321

約数の個数: 24

約数和(自身を含む): 34933920

約数和(自身を除く): 18524980

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 11239, 22478, 44956, 56195, 112390, 224780, 820447, 1640894, 3281788, 4102235, 8204470, 16408940]

約数ペア:

[(1, 16408940), (2, 8204470), (4, 4102235), (5, 3281788), (10, 1640894), (20, 820447), (73, 224780), (146, 112390), (292, 56195), (365, 44956), (730, 22478), (1460, 11239)]