1331304880

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{313987}}^1$

素因数の和:314053

約数の個数: 40

約数和(自身を含む): 3153695472

約数和(自身を除く): 1822390592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 313987, 627974, 1255948, 1569935, 2511896, 3139870, 5023792, 6279740, 12559480, 16641311, 25118960, 33282622, 66565244, 83206555, 133130488, 166413110, 266260976, 332826220, 665652440, 1331304880]

約数ペア:

[(1, 1331304880), (2, 665652440), (4, 332826220), (5, 266260976), (8, 166413110), (10, 133130488), (16, 83206555), (20, 66565244), (40, 33282622), (53, 25118960), (80, 16641311), (106, 12559480), (212, 6279740), (265, 5023792), (424, 3139870), (530, 2511896), (848, 1569935), (1060, 1255948), (2120, 627974), (4240, 313987)]