61282520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{117851}}^1$

素因数の和:117875

約数の個数: 32

約数和(自身を含む): 148493520

約数和(自身を除く): 87211000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 117851, 235702, 471404, 589255, 942808, 1178510, 1532063, 2357020, 3064126, 4714040, 6128252, 7660315, 12256504, 15320630, 30641260, 61282520]

約数ペア:

[(1, 61282520), (2, 30641260), (4, 15320630), (5, 12256504), (8, 7660315), (10, 6128252), (13, 4714040), (20, 3064126), (26, 2357020), (40, 1532063), (52, 1178510), (65, 942808), (104, 589255), (130, 471404), (260, 235702), (520, 117851)]