254335960

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{28513}}^1$

素因数の和:28747

約数の個数: 32

約数和(自身を含む): 574842240

約数和(自身を除く): 320506280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 28513, 57026, 114052, 142565, 228104, 285130, 570260, 1140520, 6358399, 12716798, 25433596, 31791995, 50867192, 63583990, 127167980, 254335960]

約数ペア:

[(1, 254335960), (2, 127167980), (4, 63583990), (5, 50867192), (8, 31791995), (10, 25433596), (20, 12716798), (40, 6358399), (223, 1140520), (446, 570260), (892, 285130), (1115, 228104), (1784, 142565), (2230, 114052), (4460, 57026), (8920, 28513)]