39984160

素因数分解:

$2^5\times 5^1\times {\mathrm{269}}^1\times {\mathrm{929}}^1$

素因数の和:1213

約数の個数: 48

約数和(自身を含む): 94915800

約数和(自身を除く): 54931640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 538, 929, 1076, 1345, 1858, 2152, 2690, 3716, 4304, 4645, 5380, 7432, 8608, 9290, 10760, 14864, 18580, 21520, 29728, 37160, 43040, 74320, 148640, 249901, 499802, 999604, 1249505, 1999208, 2499010, 3998416, 4998020, 7996832, 9996040, 19992080, 39984160]

約数ペア:

[(1, 39984160), (2, 19992080), (4, 9996040), (5, 7996832), (8, 4998020), (10, 3998416), (16, 2499010), (20, 1999208), (32, 1249505), (40, 999604), (80, 499802), (160, 249901), (269, 148640), (538, 74320), (929, 43040), (1076, 37160), (1345, 29728), (1858, 21520), (2152, 18580), (2690, 14864), (3716, 10760), (4304, 9290), (4645, 8608), (5380, 7432)]