2012531320

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{636877}}^1$

素因数の和:636967

約数の個数: 32

約数和(自身を含む): 4585521600

約数和(自身を除く): 2572990280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 636877, 1273754, 2547508, 3184385, 5095016, 6368770, 12737540, 25475080, 50313283, 100626566, 201253132, 251566415, 402506264, 503132830, 1006265660, 2012531320]

約数ペア:

[(1, 2012531320), (2, 1006265660), (4, 503132830), (5, 402506264), (8, 251566415), (10, 201253132), (20, 100626566), (40, 50313283), (79, 25475080), (158, 12737540), (316, 6368770), (395, 5095016), (632, 3184385), (790, 2547508), (1580, 1273754), (3160, 636877)]