80527840

素因数分解:

$2^5\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1871}}^1$

素因数の和:2155

約数の個数: 48

約数和(自身を含む): 191056320

約数和(自身を除く): 110528480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 538, 1076, 1345, 1871, 2152, 2690, 3742, 4304, 5380, 7484, 8608, 9355, 10760, 14968, 18710, 21520, 29936, 37420, 43040, 59872, 74840, 149680, 299360, 503299, 1006598, 2013196, 2516495, 4026392, 5032990, 8052784, 10065980, 16105568, 20131960, 40263920, 80527840]

約数ペア:

[(1, 80527840), (2, 40263920), (4, 20131960), (5, 16105568), (8, 10065980), (10, 8052784), (16, 5032990), (20, 4026392), (32, 2516495), (40, 2013196), (80, 1006598), (160, 503299), (269, 299360), (538, 149680), (1076, 74840), (1345, 59872), (1871, 43040), (2152, 37420), (2690, 29936), (3742, 21520), (4304, 18710), (5380, 14968), (7484, 10760), (8608, 9355)]