2491419220

素因数分解:

$2^2\times 5^1\times {\mathrm{1907}}^1\times {\mathrm{65323}}^1$

素因数の和:67239

約数の個数: 24

約数和(自身を含む): 5234804064

約数和(自身を除く): 2743384844

約数列:

[1, 2, 4, 5, 10, 20, 1907, 3814, 7628, 9535, 19070, 38140, 65323, 130646, 261292, 326615, 653230, 1306460, 124570961, 249141922, 498283844, 622854805, 1245709610, 2491419220]

約数ペア:

[(1, 2491419220), (2, 1245709610), (4, 622854805), (5, 498283844), (10, 249141922), (20, 124570961), (1907, 1306460), (3814, 653230), (7628, 326615), (9535, 261292), (19070, 130646), (38140, 65323)]