2560090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 5080320

約数和(自身を除く): 2520230

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 419, 470, 611, 838, 1222, 2095, 3055, 4190, 5447, 6110, 10894, 19693, 27235, 39386, 54470, 98465, 196930, 256009, 512018, 1280045, 2560090]

約数ペア:

[(1, 2560090), (2, 1280045), (5, 512018), (10, 256009), (13, 196930), (26, 98465), (47, 54470), (65, 39386), (94, 27235), (130, 19693), (235, 10894), (419, 6110), (470, 5447), (611, 4190), (838, 3055), (1222, 2095)]