81725552

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{16319}}^1$

素因数の和:16640

約数の個数: 20

約数和(自身を含む): 158858880

約数和(自身を除く): 77133328

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 5008, 16319, 32638, 65276, 130552, 261104, 5107847, 10215694, 20431388, 40862776, 81725552]

約数ペア:

[(1, 81725552), (2, 40862776), (4, 20431388), (8, 10215694), (16, 5107847), (313, 261104), (626, 130552), (1252, 65276), (2504, 32638), (5008, 16319)]