12451760

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{491}}^1$

素因数の和:821

約数の個数: 40

約数和(自身を含む): 29100816

約数和(自身を除く): 16649056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 491, 634, 982, 1268, 1585, 1964, 2455, 2536, 3170, 3928, 4910, 5072, 6340, 7856, 9820, 12680, 19640, 25360, 39280, 155647, 311294, 622588, 778235, 1245176, 1556470, 2490352, 3112940, 6225880, 12451760]

約数ペア:

[(1, 12451760), (2, 6225880), (4, 3112940), (5, 2490352), (8, 1556470), (10, 1245176), (16, 778235), (20, 622588), (40, 311294), (80, 155647), (317, 39280), (491, 25360), (634, 19640), (982, 12680), (1268, 9820), (1585, 7856), (1964, 6340), (2455, 5072), (2536, 4910), (3170, 3928)]