66435760

素因数分解:

$2^4\times 5^1\times {\mathrm{830447}}^1$

素因数の和:830460

約数の個数: 20

約数和(自身を含む): 154463328

約数和(自身を除く): 88027568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 830447, 1660894, 3321788, 4152235, 6643576, 8304470, 13287152, 16608940, 33217880, 66435760]

約数ペア:

[(1, 66435760), (2, 33217880), (4, 16608940), (5, 13287152), (8, 8304470), (10, 6643576), (16, 4152235), (20, 3321788), (40, 1660894), (80, 830447)]