85450780

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{20249}}^1$

素因数の和:20469

約数の個数: 24

約数和(自身を含む): 180306000

約数和(自身を除く): 94855220

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 20249, 40498, 80996, 101245, 202490, 404980, 4272539, 8545078, 17090156, 21362695, 42725390, 85450780]

約数ペア:

[(1, 85450780), (2, 42725390), (4, 21362695), (5, 17090156), (10, 8545078), (20, 4272539), (211, 404980), (422, 202490), (844, 101245), (1055, 80996), (2110, 40498), (4220, 20249)]