40321660

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{3257}}^1$

素因数の和:3885

約数の個数: 24

約数和(自身を含む): 84838320

約数和(自身を除く): 44516660

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 3257, 6190, 6514, 12380, 13028, 16285, 32570, 65140, 2016083, 4032166, 8064332, 10080415, 20160830, 40321660]

約数ペア:

[(1, 40321660), (2, 20160830), (4, 10080415), (5, 8064332), (10, 4032166), (20, 2016083), (619, 65140), (1238, 32570), (2476, 16285), (3095, 13028), (3257, 12380), (6190, 6514)]