57219920

素因数分解:

$2^4\times 5^1\times {\mathrm{715249}}^1$

素因数の和:715262

約数の個数: 20

約数和(自身を含む): 133036500

約数和(自身を除く): 75816580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 715249, 1430498, 2860996, 3576245, 5721992, 7152490, 11443984, 14304980, 28609960, 57219920]

約数ペア:

[(1, 57219920), (2, 28609960), (4, 14304980), (5, 11443984), (8, 7152490), (10, 5721992), (16, 3576245), (20, 2860996), (40, 1430498), (80, 715249)]