56403920

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2621}}^1$

素因数の和:2903

約数の個数: 40

約数和(自身を含む): 131676840

約数和(自身を除く): 75272920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 2152, 2621, 2690, 4304, 5242, 5380, 10484, 10760, 13105, 20968, 21520, 26210, 41936, 52420, 104840, 209680, 705049, 1410098, 2820196, 3525245, 5640392, 7050490, 11280784, 14100980, 28201960, 56403920]

約数ペア:

[(1, 56403920), (2, 28201960), (4, 14100980), (5, 11280784), (8, 7050490), (10, 5640392), (16, 3525245), (20, 2820196), (40, 1410098), (80, 705049), (269, 209680), (538, 104840), (1076, 52420), (1345, 41936), (2152, 26210), (2621, 21520), (2690, 20968), (4304, 13105), (5242, 10760), (5380, 10484)]