7244840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2551}}^1$

素因数の和:2633

約数の個数: 32

約数和(自身を含む): 16536960

約数和(自身を除く): 9292120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2551, 2840, 5102, 10204, 12755, 20408, 25510, 51020, 102040, 181121, 362242, 724484, 905605, 1448968, 1811210, 3622420, 7244840]

約数ペア:

[(1, 7244840), (2, 3622420), (4, 1811210), (5, 1448968), (8, 905605), (10, 724484), (20, 362242), (40, 181121), (71, 102040), (142, 51020), (284, 25510), (355, 20408), (568, 12755), (710, 10204), (1420, 5102), (2551, 2840)]