13301320

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1049}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 30051000

約数和(自身を除く): 16749680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1049, 1268, 1585, 2098, 2536, 3170, 4196, 5245, 6340, 8392, 10490, 12680, 20980, 41960, 332533, 665066, 1330132, 1662665, 2660264, 3325330, 6650660, 13301320]

約数ペア:

[(1, 13301320), (2, 6650660), (4, 3325330), (5, 2660264), (8, 1662665), (10, 1330132), (20, 665066), (40, 332533), (317, 41960), (634, 20980), (1049, 12680), (1268, 10490), (1585, 8392), (2098, 6340), (2536, 5245), (3170, 4196)]