39420770

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{44293}}^1$

素因数の和:44389

約数の個数: 16

約数和(自身を含む): 71756280

約数和(自身を除く): 32335510

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 44293, 88586, 221465, 442930, 3942077, 7884154, 19710385, 39420770]

約数ペア:

[(1, 39420770), (2, 19710385), (5, 7884154), (10, 3942077), (89, 442930), (178, 221465), (445, 88586), (890, 44293)]