87728720

素因数分解:

$2^4\times 5^1\times {\mathrm{1096609}}^1$

素因数の和:1096622

約数の個数: 20

約数和(自身を含む): 203969460

約数和(自身を除く): 116240740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1096609, 2193218, 4386436, 5483045, 8772872, 10966090, 17545744, 21932180, 43864360, 87728720]

約数ペア:

[(1, 87728720), (2, 43864360), (4, 21932180), (5, 17545744), (8, 10966090), (10, 8772872), (16, 5483045), (20, 4386436), (40, 2193218), (80, 1096609)]