8018120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18223}}^1$

素因数の和:18245

約数の個数: 32

約数和(自身を含む): 19681920

約数和(自身を除く): 11663800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 18223, 36446, 72892, 91115, 145784, 182230, 200453, 364460, 400906, 728920, 801812, 1002265, 1603624, 2004530, 4009060, 8018120]

約数ペア:

[(1, 8018120), (2, 4009060), (4, 2004530), (5, 1603624), (8, 1002265), (10, 801812), (11, 728920), (20, 400906), (22, 364460), (40, 200453), (44, 182230), (55, 145784), (88, 91115), (110, 72892), (220, 36446), (440, 18223)]