31650020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 69355440

約数和(自身を除く): 37705420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 197, 277, 290, 394, 554, 580, 788, 985, 1108, 1385, 1970, 2770, 3940, 5540, 5713, 8033, 11426, 16066, 22852, 28565, 32132, 40165, 54569, 57130, 80330, 109138, 114260, 160660, 218276, 272845, 545690, 1091380, 1582501, 3165002, 6330004, 7912505, 15825010, 31650020]

約数ペア:

[(1, 31650020), (2, 15825010), (4, 7912505), (5, 6330004), (10, 3165002), (20, 1582501), (29, 1091380), (58, 545690), (116, 272845), (145, 218276), (197, 160660), (277, 114260), (290, 109138), (394, 80330), (554, 57130), (580, 54569), (788, 40165), (985, 32132), (1108, 28565), (1385, 22852), (1970, 16066), (2770, 11426), (3940, 8033), (5540, 5713)]