70205980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{20771}}^1$

素因数の和:20806

約数の個数: 36

約数和(自身を含む): 159653592

約数和(自身を除く): 89447612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 20771, 41542, 83084, 103855, 207710, 270023, 415420, 540046, 1080092, 1350115, 2700230, 3510299, 5400460, 7020598, 14041196, 17551495, 35102990, 70205980]

約数ペア:

[(1, 70205980), (2, 35102990), (4, 17551495), (5, 14041196), (10, 7020598), (13, 5400460), (20, 3510299), (26, 2700230), (52, 1350115), (65, 1080092), (130, 540046), (169, 415420), (260, 270023), (338, 207710), (676, 103855), (845, 83084), (1690, 41542), (3380, 20771)]