1279493367920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{940803947}}^1$

素因数の和:940803977

約数の個数: 40

約数和(自身を含む): 3149811617904

約数和(自身を除く): 1870318249984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 940803947, 1881607894, 3763215788, 4704019735, 7526431576, 9408039470, 15052863152, 15993667099, 18816078940, 31987334198, 37632157880, 63974668396, 75264315760, 79968335495, 127949336792, 159936670990, 255898673584, 319873341980, 639746683960, 1279493367920]

約数ペア:

[(1, 1279493367920), (2, 639746683960), (4, 319873341980), (5, 255898673584), (8, 159936670990), (10, 127949336792), (16, 79968335495), (17, 75264315760), (20, 63974668396), (34, 37632157880), (40, 31987334198), (68, 18816078940), (80, 15993667099), (85, 15052863152), (136, 9408039470), (170, 7526431576), (272, 4704019735), (340, 3763215788), (680, 1881607894), (1360, 940803947)]