26578520

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1321}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 59965920

約数和(自身を除く): 33387400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 1321, 2012, 2515, 2642, 4024, 5030, 5284, 6605, 10060, 10568, 13210, 20120, 26420, 52840, 664463, 1328926, 2657852, 3322315, 5315704, 6644630, 13289260, 26578520]

約数ペア:

[(1, 26578520), (2, 13289260), (4, 6644630), (5, 5315704), (8, 3322315), (10, 2657852), (20, 1328926), (40, 664463), (503, 52840), (1006, 26420), (1321, 20120), (2012, 13210), (2515, 10568), (2642, 10060), (4024, 6605), (5030, 5284)]