80643160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155083}}^1$

素因数の和:155107

約数の個数: 32

約数和(自身を含む): 195405840

約数和(自身を除く): 114762680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 155083, 310166, 620332, 775415, 1240664, 1550830, 2016079, 3101660, 4032158, 6203320, 8064316, 10080395, 16128632, 20160790, 40321580, 80643160]

約数ペア:

[(1, 80643160), (2, 40321580), (4, 20160790), (5, 16128632), (8, 10080395), (10, 8064316), (13, 6203320), (20, 4032158), (26, 3101660), (40, 2016079), (52, 1550830), (65, 1240664), (104, 775415), (130, 620332), (260, 310166), (520, 155083)]