12748360

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3581}}^1$

素因数の和:3681

約数の個数: 32

約数和(自身を含む): 29014200

約数和(自身を除く): 16265840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 3581, 7162, 14324, 17905, 28648, 35810, 71620, 143240, 318709, 637418, 1274836, 1593545, 2549672, 3187090, 6374180, 12748360]

約数ペア:

[(1, 12748360), (2, 6374180), (4, 3187090), (5, 2549672), (8, 1593545), (10, 1274836), (20, 637418), (40, 318709), (89, 143240), (178, 71620), (356, 35810), (445, 28648), (712, 17905), (890, 14324), (1780, 7162), (3560, 3581)]