804550420

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{70451}}^1$

素因数の和:71031

約数の個数: 24

約数和(自身を含む): 1692538848

約数和(自身を除く): 887988428

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 11420, 70451, 140902, 281804, 352255, 704510, 1409020, 40227521, 80455042, 160910084, 201137605, 402275210, 804550420]

約数ペア:

[(1, 804550420), (2, 402275210), (4, 201137605), (5, 160910084), (10, 80455042), (20, 40227521), (571, 1409020), (1142, 704510), (2284, 352255), (2855, 281804), (5710, 140902), (11420, 70451)]