2065180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{47}}^1$

素因数の和:95

約数の個数: 48

約数和(自身を含む): 4798080

約数和(自身を除く): 2732900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 169, 188, 235, 260, 338, 470, 611, 676, 845, 940, 1222, 1690, 2197, 2444, 3055, 3380, 4394, 6110, 7943, 8788, 10985, 12220, 15886, 21970, 31772, 39715, 43940, 79430, 103259, 158860, 206518, 413036, 516295, 1032590, 2065180]

約数ペア:

[(1, 2065180), (2, 1032590), (4, 516295), (5, 413036), (10, 206518), (13, 158860), (20, 103259), (26, 79430), (47, 43940), (52, 39715), (65, 31772), (94, 21970), (130, 15886), (169, 12220), (188, 10985), (235, 8788), (260, 7943), (338, 6110), (470, 4394), (611, 3380), (676, 3055), (845, 2444), (940, 2197), (1222, 1690)]