51683120

素因数分解:

$2^4\times 5^1\times {\mathrm{646039}}^1$

素因数の和:646052

約数の個数: 20

約数和(自身を含む): 120163440

約数和(自身を除く): 68480320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 646039, 1292078, 2584156, 3230195, 5168312, 6460390, 10336624, 12920780, 25841560, 51683120]

約数ペア:

[(1, 51683120), (2, 25841560), (4, 12920780), (5, 10336624), (8, 6460390), (10, 5168312), (16, 3230195), (20, 2584156), (40, 1292078), (80, 646039)]