156243440

素因数分解:

$2^4\times 5^1\times {\mathrm{1953043}}^1$

素因数の和:1953056

約数の個数: 20

約数和(自身を含む): 363266184

約数和(自身を除く): 207022744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1953043, 3906086, 7812172, 9765215, 15624344, 19530430, 31248688, 39060860, 78121720, 156243440]

約数ペア:

[(1, 156243440), (2, 78121720), (4, 39060860), (5, 31248688), (8, 19530430), (10, 15624344), (16, 9765215), (20, 7812172), (40, 3906086), (80, 1953043)]