77644480

素因数分解:

$2^6\times 5^1\times {\mathrm{242639}}^1$

素因数の和:242656

約数の個数: 28

約数和(自身を含む): 184891680

約数和(自身を除く): 107247200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 242639, 485278, 970556, 1213195, 1941112, 2426390, 3882224, 4852780, 7764448, 9705560, 15528896, 19411120, 38822240, 77644480]

約数ペア:

[(1, 77644480), (2, 38822240), (4, 19411120), (5, 15528896), (8, 9705560), (10, 7764448), (16, 4852780), (20, 3882224), (32, 2426390), (40, 1941112), (64, 1213195), (80, 970556), (160, 485278), (320, 242639)]