12907900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4451}}^1$

素因数の和:4494

約数の個数: 36

約数和(自身を含む): 28982520

約数和(自身を除く): 16074620

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 4451, 8902, 17804, 22255, 44510, 89020, 111275, 129079, 222550, 258158, 445100, 516316, 645395, 1290790, 2581580, 3226975, 6453950, 12907900]

約数ペア:

[(1, 12907900), (2, 6453950), (4, 3226975), (5, 2581580), (10, 1290790), (20, 645395), (25, 516316), (29, 445100), (50, 258158), (58, 222550), (100, 129079), (116, 111275), (145, 89020), (290, 44510), (580, 22255), (725, 17804), (1450, 8902), (2900, 4451)]