51605440

素因数分解:

$2^6\times 5^1\times {\mathrm{161267}}^1$

素因数の和:161284

約数の個数: 28

約数和(自身を含む): 122886216

約数和(自身を除く): 71280776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 161267, 322534, 645068, 806335, 1290136, 1612670, 2580272, 3225340, 5160544, 6450680, 10321088, 12901360, 25802720, 51605440]

約数ペア:

[(1, 51605440), (2, 25802720), (4, 12901360), (5, 10321088), (8, 6450680), (10, 5160544), (16, 3225340), (20, 2580272), (32, 1612670), (40, 1290136), (64, 806335), (80, 645068), (160, 322534), (320, 161267)]