12857574920

素因数分解:

$2^3\times 5^1\times {\mathrm{883}}^1\times {\mathrm{364031}}^1$

素因数の和:364925

約数の個数: 32

約数和(自身を含む): 28962385920

約数和(自身を除く): 16104811000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 883, 1766, 3532, 4415, 7064, 8830, 17660, 35320, 364031, 728062, 1456124, 1820155, 2912248, 3640310, 7280620, 14561240, 321439373, 642878746, 1285757492, 1607196865, 2571514984, 3214393730, 6428787460, 12857574920]

約数ペア:

[(1, 12857574920), (2, 6428787460), (4, 3214393730), (5, 2571514984), (8, 1607196865), (10, 1285757492), (20, 642878746), (40, 321439373), (883, 14561240), (1766, 7280620), (3532, 3640310), (4415, 2912248), (7064, 1820155), (8830, 1456124), (17660, 728062), (35320, 364031)]