157804480

素因数分解:

$2^6\times 5^1\times {\mathrm{493139}}^1$

素因数の和:493156

約数の個数: 28

約数和(自身を含む): 375772680

約数和(自身を除く): 217968200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 493139, 986278, 1972556, 2465695, 3945112, 4931390, 7890224, 9862780, 15780448, 19725560, 31560896, 39451120, 78902240, 157804480]

約数ペア:

[(1, 157804480), (2, 78902240), (4, 39451120), (5, 31560896), (8, 19725560), (10, 15780448), (16, 9862780), (20, 7890224), (32, 4931390), (40, 3945112), (64, 2465695), (80, 1972556), (160, 986278), (320, 493139)]