80702240

素因数分解:

$2^5\times 5^1\times {\mathrm{504389}}^1$

素因数の和:504404

約数の個数: 24

約数和(自身を含む): 190659420

約数和(自身を除く): 109957180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 504389, 1008778, 2017556, 2521945, 4035112, 5043890, 8070224, 10087780, 16140448, 20175560, 40351120, 80702240]

約数ペア:

[(1, 80702240), (2, 40351120), (4, 20175560), (5, 16140448), (8, 10087780), (10, 8070224), (16, 5043890), (20, 4035112), (32, 2521945), (40, 2017556), (80, 1008778), (160, 504389)]