12456320

素因数分解:

$2^7\times 5^1\times {\mathrm{19463}}^1$

素因数の和:19482

約数の個数: 32

約数和(自身を含む): 29779920

約数和(自身を除く): 17323600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 19463, 38926, 77852, 97315, 155704, 194630, 311408, 389260, 622816, 778520, 1245632, 1557040, 2491264, 3114080, 6228160, 12456320]

約数ペア:

[(1, 12456320), (2, 6228160), (4, 3114080), (5, 2491264), (8, 1557040), (10, 1245632), (16, 778520), (20, 622816), (32, 389260), (40, 311408), (64, 194630), (80, 155704), (128, 97315), (160, 77852), (320, 38926), (640, 19463)]