100729820

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{25309}}^1$

素因数の和:25517

約数の個数: 24

約数和(自身を含む): 212604000

約数和(自身を除く): 111874180

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 25309, 50618, 101236, 126545, 253090, 506180, 5036491, 10072982, 20145964, 25182455, 50364910, 100729820]

約数ペア:

[(1, 100729820), (2, 50364910), (4, 25182455), (5, 20145964), (10, 10072982), (20, 5036491), (199, 506180), (398, 253090), (796, 126545), (995, 101236), (1990, 50618), (3980, 25309)]