78812480

素因数分解:

$2^6\times 5^1\times {\mathrm{246289}}^1$

素因数の和:246306

約数の個数: 28

約数和(自身を含む): 187672980

約数和(自身を除く): 108860500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 246289, 492578, 985156, 1231445, 1970312, 2462890, 3940624, 4925780, 7881248, 9851560, 15762496, 19703120, 39406240, 78812480]

約数ペア:

[(1, 78812480), (2, 39406240), (4, 19703120), (5, 15762496), (8, 9851560), (10, 7881248), (16, 4925780), (20, 3940624), (32, 2462890), (40, 1970312), (64, 1231445), (80, 985156), (160, 492578), (320, 246289)]