1302800

素因数分解:

$2^4\times 5^2\times {\mathrm{3257}}^1$

素因数の和:3275

約数の個数: 30

約数和(自身を含む): 3130938

約数和(自身を除く): 1828138

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 3257, 6514, 13028, 16285, 26056, 32570, 52112, 65140, 81425, 130280, 162850, 260560, 325700, 651400, 1302800]

約数ペア:

[(1, 1302800), (2, 651400), (4, 325700), (5, 260560), (8, 162850), (10, 130280), (16, 81425), (20, 65140), (25, 52112), (40, 32570), (50, 26056), (80, 16285), (100, 13028), (200, 6514), (400, 3257)]