209841560

素因数分解:

$2^3\times 5^1\times {\mathrm{2207}}^1\times {\mathrm{2377}}^1$

素因数の和:4595

約数の個数: 32

約数和(自身を含む): 472556160

約数和(自身を除く): 262714600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2207, 2377, 4414, 4754, 8828, 9508, 11035, 11885, 17656, 19016, 22070, 23770, 44140, 47540, 88280, 95080, 5246039, 10492078, 20984156, 26230195, 41968312, 52460390, 104920780, 209841560]

約数ペア:

[(1, 209841560), (2, 104920780), (4, 52460390), (5, 41968312), (8, 26230195), (10, 20984156), (20, 10492078), (40, 5246039), (2207, 95080), (2377, 88280), (4414, 47540), (4754, 44140), (8828, 23770), (9508, 22070), (11035, 19016), (11885, 17656)]