251553640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{483757}}^1$

素因数の和:483781

約数の個数: 32

約数和(自身を含む): 609535080

約数和(自身を除く): 357981440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 483757, 967514, 1935028, 2418785, 3870056, 4837570, 6288841, 9675140, 12577682, 19350280, 25155364, 31444205, 50310728, 62888410, 125776820, 251553640]

約数ペア:

[(1, 251553640), (2, 125776820), (4, 62888410), (5, 50310728), (8, 31444205), (10, 25155364), (13, 19350280), (20, 12577682), (26, 9675140), (40, 6288841), (52, 4837570), (65, 3870056), (104, 2418785), (130, 1935028), (260, 967514), (520, 483757)]