52720

素因数分解:

$2^4\times 5^1\times {\mathrm{659}}^1$

素因数の和:672

約数の個数: 20

約数和(自身を含む): 122760

約数和(自身を除く): 70040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 659, 1318, 2636, 3295, 5272, 6590, 10544, 13180, 26360, 52720]

約数ペア:

[(1, 52720), (2, 26360), (4, 13180), (5, 10544), (8, 6590), (10, 5272), (16, 3295), (20, 2636), (40, 1318), (80, 659)]