12863780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9059}}^1$

素因数の和:9139

約数の個数: 24

約数和(自身を含む): 27397440

約数和(自身を除く): 14533660

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9059, 18118, 36236, 45295, 90590, 181180, 643189, 1286378, 2572756, 3215945, 6431890, 12863780]

約数ペア:

[(1, 12863780), (2, 6431890), (4, 3215945), (5, 2572756), (10, 1286378), (20, 643189), (71, 181180), (142, 90590), (284, 45295), (355, 36236), (710, 18118), (1420, 9059)]