210539440

素因数分解:

$2^4\times 5^1\times {\mathrm{2631743}}^1$

素因数の和:2631756

約数の個数: 20

約数和(自身を含む): 489504384

約数和(自身を除く): 278964944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2631743, 5263486, 10526972, 13158715, 21053944, 26317430, 42107888, 52634860, 105269720, 210539440]

約数ペア:

[(1, 210539440), (2, 105269720), (4, 52634860), (5, 42107888), (8, 26317430), (10, 21053944), (16, 13158715), (20, 10526972), (40, 5263486), (80, 2631743)]