72115760

素因数分解:

$2^4\times 5^1\times {\mathrm{901447}}^1$

素因数の和:901460

約数の個数: 20

約数和(自身を含む): 167669328

約数和(自身を除く): 95553568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 901447, 1802894, 3605788, 4507235, 7211576, 9014470, 14423152, 18028940, 36057880, 72115760]

約数ペア:

[(1, 72115760), (2, 36057880), (4, 18028940), (5, 14423152), (8, 9014470), (10, 7211576), (16, 4507235), (20, 3605788), (40, 1802894), (80, 901447)]