40048720

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1861}}^1$

素因数の和:2143

約数の個数: 40

約数和(自身を含む): 93509640

約数和(自身を除く): 53460920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 1861, 2152, 2690, 3722, 4304, 5380, 7444, 9305, 10760, 14888, 18610, 21520, 29776, 37220, 74440, 148880, 500609, 1001218, 2002436, 2503045, 4004872, 5006090, 8009744, 10012180, 20024360, 40048720]

約数ペア:

[(1, 40048720), (2, 20024360), (4, 10012180), (5, 8009744), (8, 5006090), (10, 4004872), (16, 2503045), (20, 2002436), (40, 1001218), (80, 500609), (269, 148880), (538, 74440), (1076, 37220), (1345, 29776), (1861, 21520), (2152, 18610), (2690, 14888), (3722, 10760), (4304, 9305), (5380, 7444)]