7937680

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{317}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 18572472

約数和(自身を除く): 10634792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 317, 626, 634, 1252, 1268, 1565, 1585, 2504, 2536, 3130, 3170, 5008, 5072, 6260, 6340, 12520, 12680, 25040, 25360, 99221, 198442, 396884, 496105, 793768, 992210, 1587536, 1984420, 3968840, 7937680]

約数ペア:

[(1, 7937680), (2, 3968840), (4, 1984420), (5, 1587536), (8, 992210), (10, 793768), (16, 496105), (20, 396884), (40, 198442), (80, 99221), (313, 25360), (317, 25040), (626, 12680), (634, 12520), (1252, 6340), (1268, 6260), (1565, 5072), (1585, 5008), (2504, 3170), (2536, 3130)]