12735980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8969}}^1$

素因数の和:9049

約数の個数: 24

約数和(自身を含む): 27125280

約数和(自身を除く): 14389300

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8969, 17938, 35876, 44845, 89690, 179380, 636799, 1273598, 2547196, 3183995, 6367990, 12735980]

約数ペア:

[(1, 12735980), (2, 6367990), (4, 3183995), (5, 2547196), (10, 1273598), (20, 636799), (71, 179380), (142, 89690), (284, 44845), (355, 35876), (710, 17938), (1420, 8969)]