1640348860

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{235007}}^1$

素因数の和:235365

約数の個数: 24

約数和(自身を含む): 3454617600

約数和(自身を除く): 1814268740

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 235007, 470014, 940028, 1175035, 2350070, 4700140, 82017443, 164034886, 328069772, 410087215, 820174430, 1640348860]

約数ペア:

[(1, 1640348860), (2, 820174430), (4, 410087215), (5, 328069772), (10, 164034886), (20, 82017443), (349, 4700140), (698, 2350070), (1396, 1175035), (1745, 940028), (3490, 470014), (6980, 235007)]