64910440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{231823}}^1$

素因数の和:231841

約数の個数: 32

約数和(自身を含む): 166913280

約数和(自身を除く): 102002840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 231823, 463646, 927292, 1159115, 1622761, 1854584, 2318230, 3245522, 4636460, 6491044, 8113805, 9272920, 12982088, 16227610, 32455220, 64910440]

約数ペア:

[(1, 64910440), (2, 32455220), (4, 16227610), (5, 12982088), (7, 9272920), (8, 8113805), (10, 6491044), (14, 4636460), (20, 3245522), (28, 2318230), (35, 1854584), (40, 1622761), (56, 1159115), (70, 927292), (140, 463646), (280, 231823)]