28557420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{475957}}^1$

素因数の和:475969

約数の個数: 24

約数和(自身を含む): 79960944

約数和(自身を除く): 51403524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 475957, 951914, 1427871, 1903828, 2379785, 2855742, 4759570, 5711484, 7139355, 9519140, 14278710, 28557420]

約数ペア:

[(1, 28557420), (2, 14278710), (3, 9519140), (4, 7139355), (5, 5711484), (6, 4759570), (10, 2855742), (12, 2379785), (15, 1903828), (20, 1427871), (30, 951914), (60, 475957)]