259407160

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{12893}}^1$

素因数の和:13407

約数の個数: 32

約数和(自身を含む): 584871840

約数和(自身を除く): 325464680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 10060, 12893, 20120, 25786, 51572, 64465, 103144, 128930, 257860, 515720, 6485179, 12970358, 25940716, 32425895, 51881432, 64851790, 129703580, 259407160]

約数ペア:

[(1, 259407160), (2, 129703580), (4, 64851790), (5, 51881432), (8, 32425895), (10, 25940716), (20, 12970358), (40, 6485179), (503, 515720), (1006, 257860), (2012, 128930), (2515, 103144), (4024, 64465), (5030, 51572), (10060, 25786), (12893, 20120)]