2581240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1373}}^1$

素因数の和:1431

約数の個数: 32

約数和(自身を含む): 5935680

約数和(自身を除く): 3354440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1373, 1880, 2746, 5492, 6865, 10984, 13730, 27460, 54920, 64531, 129062, 258124, 322655, 516248, 645310, 1290620, 2581240]

約数ペア:

[(1, 2581240), (2, 1290620), (4, 645310), (5, 516248), (8, 322655), (10, 258124), (20, 129062), (40, 64531), (47, 54920), (94, 27460), (188, 13730), (235, 10984), (376, 6865), (470, 5492), (940, 2746), (1373, 1880)]