80123860

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{14783}}^1$

素因数の和:15063

約数の個数: 24

約数和(自身を含む): 168892416

約数和(自身を除く): 88768556

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 14783, 29566, 59132, 73915, 147830, 295660, 4006193, 8012386, 16024772, 20030965, 40061930, 80123860]

約数ペア:

[(1, 80123860), (2, 40061930), (4, 20030965), (5, 16024772), (10, 8012386), (20, 4006193), (271, 295660), (542, 147830), (1084, 73915), (1355, 59132), (2710, 29566), (5420, 14783)]