40916990

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{9719}}^1$

素因数の和:10147

約数の個数: 16

約数和(自身を含む): 73833120

約数和(自身を除く): 32916130

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 9719, 19438, 48595, 97190, 4091699, 8183398, 20458495, 40916990]

約数ペア:

[(1, 40916990), (2, 20458495), (5, 8183398), (10, 4091699), (421, 97190), (842, 48595), (2105, 19438), (4210, 9719)]