123492080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90803}}^1$

素因数の和:90833

約数の個数: 40

約数和(自身を含む): 304011792

約数和(自身を除く): 180519712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 90803, 181606, 363212, 454015, 726424, 908030, 1452848, 1543651, 1816060, 3087302, 3632120, 6174604, 7264240, 7718255, 12349208, 15436510, 24698416, 30873020, 61746040, 123492080]

約数ペア:

[(1, 123492080), (2, 61746040), (4, 30873020), (5, 24698416), (8, 15436510), (10, 12349208), (16, 7718255), (17, 7264240), (20, 6174604), (34, 3632120), (40, 3087302), (68, 1816060), (80, 1543651), (85, 1452848), (136, 908030), (170, 726424), (272, 454015), (340, 363212), (680, 181606), (1360, 90803)]