12286480

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1409}}^1$

素因数の和:1531

約数の個数: 40

約数和(自身を含む): 28848600

約数和(自身を除く): 16562120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1409, 1744, 2180, 2818, 4360, 5636, 7045, 8720, 11272, 14090, 22544, 28180, 56360, 112720, 153581, 307162, 614324, 767905, 1228648, 1535810, 2457296, 3071620, 6143240, 12286480]

約数ペア:

[(1, 12286480), (2, 6143240), (4, 3071620), (5, 2457296), (8, 1535810), (10, 1228648), (16, 767905), (20, 614324), (40, 307162), (80, 153581), (109, 112720), (218, 56360), (436, 28180), (545, 22544), (872, 14090), (1090, 11272), (1409, 8720), (1744, 7045), (2180, 5636), (2818, 4360)]