11541980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 26036640

約数和(自身を除く): 14494660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 332, 340, 409, 415, 818, 830, 1411, 1636, 1660, 2045, 2822, 4090, 5644, 6953, 7055, 8180, 13906, 14110, 27812, 28220, 33947, 34765, 67894, 69530, 135788, 139060, 169735, 339470, 577099, 678940, 1154198, 2308396, 2885495, 5770990, 11541980]

約数ペア:

[(1, 11541980), (2, 5770990), (4, 2885495), (5, 2308396), (10, 1154198), (17, 678940), (20, 577099), (34, 339470), (68, 169735), (83, 139060), (85, 135788), (166, 69530), (170, 67894), (332, 34765), (340, 33947), (409, 28220), (415, 27812), (818, 14110), (830, 13906), (1411, 8180), (1636, 7055), (1660, 6953), (2045, 5644), (2822, 4090)]