66609740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{479}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 148780800

約数和(自身を除く): 82171060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 409, 479, 818, 958, 1636, 1916, 2045, 2395, 4090, 4790, 6953, 8143, 8180, 9580, 13906, 16286, 27812, 32572, 34765, 40715, 69530, 81430, 139060, 162860, 195911, 391822, 783644, 979555, 1959110, 3330487, 3918220, 6660974, 13321948, 16652435, 33304870, 66609740]

約数ペア:

[(1, 66609740), (2, 33304870), (4, 16652435), (5, 13321948), (10, 6660974), (17, 3918220), (20, 3330487), (34, 1959110), (68, 979555), (85, 783644), (170, 391822), (340, 195911), (409, 162860), (479, 139060), (818, 81430), (958, 69530), (1636, 40715), (1916, 34765), (2045, 32572), (2395, 27812), (4090, 16286), (4790, 13906), (6953, 9580), (8143, 8180)]