8740390

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1973}}^1$

素因数の和:2423

約数の個数: 16

約数和(自身を含む): 15776208

約数和(自身を除く): 7035818

約数列:

[1, 2, 5, 10, 443, 886, 1973, 2215, 3946, 4430, 9865, 19730, 874039, 1748078, 4370195, 8740390]

約数ペア:

[(1, 8740390), (2, 4370195), (5, 1748078), (10, 874039), (443, 19730), (886, 9865), (1973, 4430), (2215, 3946)]