16840490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23719}}^1$

素因数の和:23797

約数の個数: 16

約数和(自身を含む): 30741120

約数和(自身を除く): 13900630

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 23719, 47438, 118595, 237190, 1684049, 3368098, 8420245, 16840490]

約数ペア:

[(1, 16840490), (2, 8420245), (5, 3368098), (10, 1684049), (71, 237190), (142, 118595), (355, 47438), (710, 23719)]