2081560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4003}}^1$

素因数の和:4027

約数の個数: 32

約数和(自身を含む): 5045040

約数和(自身を除く): 2963480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4003, 8006, 16012, 20015, 32024, 40030, 52039, 80060, 104078, 160120, 208156, 260195, 416312, 520390, 1040780, 2081560]

約数ペア:

[(1, 2081560), (2, 1040780), (4, 520390), (5, 416312), (8, 260195), (10, 208156), (13, 160120), (20, 104078), (26, 80060), (40, 52039), (52, 40030), (65, 32024), (104, 20015), (130, 16012), (260, 8006), (520, 4003)]