25516020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2609}}^1$

素因数の和:2784

約数の個数: 48

約数和(自身を含む): 71910720

約数和(自身を除く): 46394700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 2609, 3260, 4890, 5218, 7827, 9780, 10436, 13045, 15654, 26090, 31308, 39135, 52180, 78270, 156540, 425267, 850534, 1275801, 1701068, 2126335, 2551602, 4252670, 5103204, 6379005, 8505340, 12758010, 25516020]

約数ペア:

[(1, 25516020), (2, 12758010), (3, 8505340), (4, 6379005), (5, 5103204), (6, 4252670), (10, 2551602), (12, 2126335), (15, 1701068), (20, 1275801), (30, 850534), (60, 425267), (163, 156540), (326, 78270), (489, 52180), (652, 39135), (815, 31308), (978, 26090), (1630, 15654), (1956, 13045), (2445, 10436), (2609, 9780), (3260, 7827), (4890, 5218)]