313636240

素因数分解:

$2^4\times 5^1\times {\mathrm{3920453}}^1$

素因数の和:3920466

約数の個数: 20

約数和(自身を含む): 729204444

約数和(自身を除く): 415568204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3920453, 7840906, 15681812, 19602265, 31363624, 39204530, 62727248, 78409060, 156818120, 313636240]

約数ペア:

[(1, 313636240), (2, 156818120), (4, 78409060), (5, 62727248), (8, 39204530), (10, 31363624), (16, 19602265), (20, 15681812), (40, 7840906), (80, 3920453)]