1727120

素因数分解:

$2^4\times 5^1\times {\mathrm{21589}}^1$

素因数の和:21602

約数の個数: 20

約数和(自身を含む): 4015740

約数和(自身を除く): 2288620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 21589, 43178, 86356, 107945, 172712, 215890, 345424, 431780, 863560, 1727120]

約数ペア:

[(1, 1727120), (2, 863560), (4, 431780), (5, 345424), (8, 215890), (10, 172712), (16, 107945), (20, 86356), (40, 43178), (80, 21589)]