40648504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{390851}}^1$

素因数の和:390870

約数の個数: 16

約数和(自身を含む): 82078920

約数和(自身を除く): 41430416

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 390851, 781702, 1563404, 3126808, 5081063, 10162126, 20324252, 40648504]

約数ペア:

[(1, 40648504), (2, 20324252), (4, 10162126), (8, 5081063), (13, 3126808), (26, 1563404), (52, 781702), (104, 390851)]