25215720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{210131}}^1$

素因数の和:210145

約数の個数: 32

約数和(自身を含む): 75647520

約数和(自身を除く): 50431800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 210131, 420262, 630393, 840524, 1050655, 1260786, 1681048, 2101310, 2521572, 3151965, 4202620, 5043144, 6303930, 8405240, 12607860, 25215720]

約数ペア:

[(1, 25215720), (2, 12607860), (3, 8405240), (4, 6303930), (5, 5043144), (6, 4202620), (8, 3151965), (10, 2521572), (12, 2101310), (15, 1681048), (20, 1260786), (24, 1050655), (30, 840524), (40, 630393), (60, 420262), (120, 210131)]