12381040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{22109}}^1$

素因数の和:22129

約数の個数: 40

約数和(自身を含む): 32899680

約数和(自身を除く): 20518640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 22109, 44218, 88436, 110545, 154763, 176872, 221090, 309526, 353744, 442180, 619052, 773815, 884360, 1238104, 1547630, 1768720, 2476208, 3095260, 6190520, 12381040]

約数ペア:

[(1, 12381040), (2, 6190520), (4, 3095260), (5, 2476208), (7, 1768720), (8, 1547630), (10, 1238104), (14, 884360), (16, 773815), (20, 619052), (28, 442180), (35, 353744), (40, 309526), (56, 221090), (70, 176872), (80, 154763), (112, 110545), (140, 88436), (280, 44218), (560, 22109)]