90407440

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2551}}^1$

素因数の和:3007

約数の個数: 40

約数和(自身を含む): 210754368

約数和(自身を除く): 120346928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 2215, 2551, 3544, 4430, 5102, 7088, 8860, 10204, 12755, 17720, 20408, 25510, 35440, 40816, 51020, 102040, 204080, 1130093, 2260186, 4520372, 5650465, 9040744, 11300930, 18081488, 22601860, 45203720, 90407440]

約数ペア:

[(1, 90407440), (2, 45203720), (4, 22601860), (5, 18081488), (8, 11300930), (10, 9040744), (16, 5650465), (20, 4520372), (40, 2260186), (80, 1130093), (443, 204080), (886, 102040), (1772, 51020), (2215, 40816), (2551, 35440), (3544, 25510), (4430, 20408), (5102, 17720), (7088, 12755), (8860, 10204)]