2080521560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4001003}}^1$

素因数の和:4001027

約数の個数: 32

約数和(自身を含む): 5041265040

約数和(自身を除く): 2960743480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4001003, 8002006, 16004012, 20005015, 32008024, 40010030, 52013039, 80020060, 104026078, 160040120, 208052156, 260065195, 416104312, 520130390, 1040260780, 2080521560]

約数ペア:

[(1, 2080521560), (2, 1040260780), (4, 520130390), (5, 416104312), (8, 260065195), (10, 208052156), (13, 160040120), (20, 104026078), (26, 80020060), (40, 52013039), (52, 40010030), (65, 32008024), (104, 20005015), (130, 16004012), (260, 8002006), (520, 4001003)]