12771640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{45613}}^1$

素因数の和:45631

約数の個数: 32

約数和(自身を含む): 32842080

約数和(自身を除く): 20070440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 45613, 91226, 182452, 228065, 319291, 364904, 456130, 638582, 912260, 1277164, 1596455, 1824520, 2554328, 3192910, 6385820, 12771640]

約数ペア:

[(1, 12771640), (2, 6385820), (4, 3192910), (5, 2554328), (7, 1824520), (8, 1596455), (10, 1277164), (14, 912260), (20, 638582), (28, 456130), (35, 364904), (40, 319291), (56, 228065), (70, 182452), (140, 91226), (280, 45613)]