79645160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{284447}}^1$

素因数の和:284465

約数の個数: 32

約数和(自身を含む): 204802560

約数和(自身を除く): 125157400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 284447, 568894, 1137788, 1422235, 1991129, 2275576, 2844470, 3982258, 5688940, 7964516, 9955645, 11377880, 15929032, 19911290, 39822580, 79645160]

約数ペア:

[(1, 79645160), (2, 39822580), (4, 19911290), (5, 15929032), (7, 11377880), (8, 9955645), (10, 7964516), (14, 5688940), (20, 3982258), (28, 2844470), (35, 2275576), (40, 1991129), (56, 1422235), (70, 1137788), (140, 568894), (280, 284447)]