2051249740

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{63743}}^1$

素因数の和:65361

約数の個数: 24

約数和(自身を含む): 4310369280

約数和(自身を除く): 2259119540

約数列:

[1, 2, 4, 5, 10, 20, 1609, 3218, 6436, 8045, 16090, 32180, 63743, 127486, 254972, 318715, 637430, 1274860, 102562487, 205124974, 410249948, 512812435, 1025624870, 2051249740]

約数ペア:

[(1, 2051249740), (2, 1025624870), (4, 512812435), (5, 410249948), (10, 205124974), (20, 102562487), (1609, 1274860), (3218, 637430), (6436, 318715), (8045, 254972), (16090, 127486), (32180, 63743)]