485420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1867}}^1$

素因数の和:1889

約数の個数: 24

約数和(自身を含む): 1098384

約数和(自身を除く): 612964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1867, 3734, 7468, 9335, 18670, 24271, 37340, 48542, 97084, 121355, 242710, 485420]

約数ペア:

[(1, 485420), (2, 242710), (4, 121355), (5, 97084), (10, 48542), (13, 37340), (20, 24271), (26, 18670), (52, 9335), (65, 7468), (130, 3734), (260, 1867)]