119778320

素因数分解:

$2^4\times 5^1\times {\mathrm{1497229}}^1$

素因数の和:1497242

約数の個数: 20

約数和(自身を含む): 278484780

約数和(自身を除く): 158706460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1497229, 2994458, 5988916, 7486145, 11977832, 14972290, 23955664, 29944580, 59889160, 119778320]

約数ペア:

[(1, 119778320), (2, 59889160), (4, 29944580), (5, 23955664), (8, 14972290), (10, 11977832), (16, 7486145), (20, 5988916), (40, 2994458), (80, 1497229)]