56875540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^2$

素因数の和:844

約数の個数: 36

約数和(自身を含む): 126774396

約数和(自身を除く): 69898856

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 409, 818, 1636, 2045, 4090, 6953, 8180, 13906, 27812, 34765, 69530, 139060, 167281, 334562, 669124, 836405, 1672810, 2843777, 3345620, 5687554, 11375108, 14218885, 28437770, 56875540]

約数ペア:

[(1, 56875540), (2, 28437770), (4, 14218885), (5, 11375108), (10, 5687554), (17, 3345620), (20, 2843777), (34, 1672810), (68, 836405), (85, 669124), (170, 334562), (340, 167281), (409, 139060), (818, 69530), (1636, 34765), (2045, 27812), (4090, 13906), (6953, 8180)]