131317160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{252533}}^1$

素因数の和:252557

約数の個数: 32

約数和(自身を含む): 318192840

約数和(自身を除く): 186875680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 252533, 505066, 1010132, 1262665, 2020264, 2525330, 3282929, 5050660, 6565858, 10101320, 13131716, 16414645, 26263432, 32829290, 65658580, 131317160]

約数ペア:

[(1, 131317160), (2, 65658580), (4, 32829290), (5, 26263432), (8, 16414645), (10, 13131716), (13, 10101320), (20, 6565858), (26, 5050660), (40, 3282929), (52, 2525330), (65, 2020264), (104, 1262665), (130, 1010132), (260, 505066), (520, 252533)]