225804980

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{16339}}^1$

素因数の和:17039

約数の個数: 24

約数和(自身を含む): 474905760

約数和(自身を除く): 249100780

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6910, 13820, 16339, 32678, 65356, 81695, 163390, 326780, 11290249, 22580498, 45160996, 56451245, 112902490, 225804980]

約数ペア:

[(1, 225804980), (2, 112902490), (4, 56451245), (5, 45160996), (10, 22580498), (20, 11290249), (691, 326780), (1382, 163390), (2764, 81695), (3455, 65356), (6910, 32678), (13820, 16339)]