40010740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25981}}^1$

素因数の和:26008

約数の個数: 48

約数和(自身を含む): 104759424

約数和(自身を除く): 64748684

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 25981, 51962, 103924, 129905, 181867, 259810, 285791, 363734, 519620, 571582, 727468, 909335, 1143164, 1428955, 1818670, 2000537, 2857910, 3637340, 4001074, 5715820, 8002148, 10002685, 20005370, 40010740]

約数ペア:

[(1, 40010740), (2, 20005370), (4, 10002685), (5, 8002148), (7, 5715820), (10, 4001074), (11, 3637340), (14, 2857910), (20, 2000537), (22, 1818670), (28, 1428955), (35, 1143164), (44, 909335), (55, 727468), (70, 571582), (77, 519620), (110, 363734), (140, 285791), (154, 259810), (220, 181867), (308, 129905), (385, 103924), (770, 51962), (1540, 25981)]