80138128

素因数分解:

$2^4\times 7^2\times {\mathrm{102217}}^1$

素因数の和:102239

約数の個数: 30

約数和(自身を含む): 180619206

約数和(自身を除く): 100481078

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 102217, 204434, 408868, 715519, 817736, 1431038, 1635472, 2862076, 5008633, 5724152, 10017266, 11448304, 20034532, 40069064, 80138128]

約数ペア:

[(1, 80138128), (2, 40069064), (4, 20034532), (7, 11448304), (8, 10017266), (14, 5724152), (16, 5008633), (28, 2862076), (49, 1635472), (56, 1431038), (98, 817736), (112, 715519), (196, 408868), (392, 204434), (784, 102217)]