2109553640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1122103}}^1$

素因数の和:1122161

約数の個数: 32

約数和(自身を含む): 4847489280

約数和(自身を除く): 2737935640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 1122103, 2244206, 4488412, 5610515, 8976824, 11221030, 22442060, 44884120, 52738841, 105477682, 210955364, 263694205, 421910728, 527388410, 1054776820, 2109553640]

約数ペア:

[(1, 2109553640), (2, 1054776820), (4, 527388410), (5, 421910728), (8, 263694205), (10, 210955364), (20, 105477682), (40, 52738841), (47, 44884120), (94, 22442060), (188, 11221030), (235, 8976824), (376, 5610515), (470, 4488412), (940, 2244206), (1880, 1122103)]