40540820

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{11717}}^1$

素因数の和:11899

約数の個数: 24

約数和(自身を含む): 85635144

約数和(自身を除く): 45094324

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 11717, 23434, 46868, 58585, 117170, 234340, 2027041, 4054082, 8108164, 10135205, 20270410, 40540820]

約数ペア:

[(1, 40540820), (2, 20270410), (4, 10135205), (5, 8108164), (10, 4054082), (20, 2027041), (173, 234340), (346, 117170), (692, 58585), (865, 46868), (1730, 23434), (3460, 11717)]