51342520

素因数分解:

$2^3\times 5^1\times {\mathrm{1283563}}^1$

素因数の和:1283574

約数の個数: 16

約数和(自身を含む): 115520760

約数和(自身を除く): 64178240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283563, 2567126, 5134252, 6417815, 10268504, 12835630, 25671260, 51342520]

約数ペア:

[(1, 51342520), (2, 25671260), (4, 12835630), (5, 10268504), (8, 6417815), (10, 5134252), (20, 2567126), (40, 1283563)]