2661880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5119}}^1$

素因数の和:5143

約数の個数: 32

約数和(自身を含む): 6451200

約数和(自身を除く): 3789320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5119, 10238, 20476, 25595, 40952, 51190, 66547, 102380, 133094, 204760, 266188, 332735, 532376, 665470, 1330940, 2661880]

約数ペア:

[(1, 2661880), (2, 1330940), (4, 665470), (5, 532376), (8, 332735), (10, 266188), (13, 204760), (20, 133094), (26, 102380), (40, 66547), (52, 51190), (65, 40952), (104, 25595), (130, 20476), (260, 10238), (520, 5119)]