40991824

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{6389}}^1$

素因数の和:6798

約数の個数: 20

約数和(自身を含む): 79632180

約数和(自身を除く): 38640356

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6389, 6416, 12778, 25556, 51112, 102224, 2561989, 5123978, 10247956, 20495912, 40991824]

約数ペア:

[(1, 40991824), (2, 20495912), (4, 10247956), (8, 5123978), (16, 2561989), (401, 102224), (802, 51112), (1604, 25556), (3208, 12778), (6389, 6416)]