2569880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1567}}^1$

素因数の和:1619

約数の個数: 32

約数和(自身を含む): 5927040

約数和(自身を除く): 3357160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1567, 1640, 3134, 6268, 7835, 12536, 15670, 31340, 62680, 64247, 128494, 256988, 321235, 513976, 642470, 1284940, 2569880]

約数ペア:

[(1, 2569880), (2, 1284940), (4, 642470), (5, 513976), (8, 321235), (10, 256988), (20, 128494), (40, 64247), (41, 62680), (82, 31340), (164, 15670), (205, 12536), (328, 7835), (410, 6268), (820, 3134), (1567, 1640)]