156915760

素因数分解:

$2^4\times 5^1\times {\mathrm{1961447}}^1$

素因数の和:1961460

約数の個数: 20

約数和(自身を含む): 364829328

約数和(自身を除く): 207913568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1961447, 3922894, 7845788, 9807235, 15691576, 19614470, 31383152, 39228940, 78457880, 156915760]

約数ペア:

[(1, 156915760), (2, 78457880), (4, 39228940), (5, 31383152), (8, 19614470), (10, 15691576), (16, 9807235), (20, 7845788), (40, 3922894), (80, 1961447)]