12695720

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{631}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 28667520

約数和(自身を除く): 15971800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 631, 1006, 1262, 2012, 2515, 2524, 3155, 4024, 5030, 5048, 6310, 10060, 12620, 20120, 25240, 317393, 634786, 1269572, 1586965, 2539144, 3173930, 6347860, 12695720]

約数ペア:

[(1, 12695720), (2, 6347860), (4, 3173930), (5, 2539144), (8, 1586965), (10, 1269572), (20, 634786), (40, 317393), (503, 25240), (631, 20120), (1006, 12620), (1262, 10060), (2012, 6310), (2515, 5048), (2524, 5030), (3155, 4024)]