12526220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{683}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 30336768

約数和(自身を除く): 17810548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 683, 917, 1310, 1366, 1834, 2620, 2732, 3415, 3668, 4585, 4781, 6830, 9170, 9562, 13660, 18340, 19124, 23905, 47810, 89473, 95620, 178946, 357892, 447365, 626311, 894730, 1252622, 1789460, 2505244, 3131555, 6263110, 12526220]

約数ペア:

[(1, 12526220), (2, 6263110), (4, 3131555), (5, 2505244), (7, 1789460), (10, 1252622), (14, 894730), (20, 626311), (28, 447365), (35, 357892), (70, 178946), (131, 95620), (140, 89473), (262, 47810), (524, 23905), (655, 19124), (683, 18340), (917, 13660), (1310, 9562), (1366, 9170), (1834, 6830), (2620, 4781), (2732, 4585), (3415, 3668)]