51221710

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{461}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 95001984

約数和(自身を除く): 43780274

約数列:

[1, 2, 5, 10, 41, 82, 205, 271, 410, 461, 542, 922, 1355, 2305, 2710, 4610, 11111, 18901, 22222, 37802, 55555, 94505, 111110, 124931, 189010, 249862, 624655, 1249310, 5122171, 10244342, 25610855, 51221710]

約数ペア:

[(1, 51221710), (2, 25610855), (5, 10244342), (10, 5122171), (41, 1249310), (82, 624655), (205, 249862), (271, 189010), (410, 124931), (461, 111110), (542, 94505), (922, 55555), (1355, 37802), (2305, 22222), (2710, 18901), (4610, 11111)]