201910040

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{16127}}^1$

素因数の和:16451

約数の個数: 32

約数和(自身を含む): 455777280

約数和(自身を除く): 253867240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 16127, 32254, 64508, 80635, 129016, 161270, 322540, 645080, 5047751, 10095502, 20191004, 25238755, 40382008, 50477510, 100955020, 201910040]

約数ペア:

[(1, 201910040), (2, 100955020), (4, 50477510), (5, 40382008), (8, 25238755), (10, 20191004), (20, 10095502), (40, 5047751), (313, 645080), (626, 322540), (1252, 161270), (1565, 129016), (2504, 80635), (3130, 64508), (6260, 32254), (12520, 16127)]