253332040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487177}}^1$

素因数の和:487201

約数の個数: 32

約数和(自身を含む): 613844280

約数和(自身を除く): 360512240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 487177, 974354, 1948708, 2435885, 3897416, 4871770, 6333301, 9743540, 12666602, 19487080, 25333204, 31666505, 50666408, 63333010, 126666020, 253332040]

約数ペア:

[(1, 253332040), (2, 126666020), (4, 63333010), (5, 50666408), (8, 31666505), (10, 25333204), (13, 19487080), (20, 12666602), (26, 9743540), (40, 6333301), (52, 4871770), (65, 3897416), (104, 2435885), (130, 1948708), (260, 974354), (520, 487177)]