80150440

素因数分解:

$2^3\times 5^1\times {\mathrm{2003761}}^1$

素因数の和:2003772

約数の個数: 16

約数和(自身を含む): 180338580

約数和(自身を除く): 100188140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2003761, 4007522, 8015044, 10018805, 16030088, 20037610, 40075220, 80150440]

約数ペア:

[(1, 80150440), (2, 40075220), (4, 20037610), (5, 16030088), (8, 10018805), (10, 8015044), (20, 4007522), (40, 2003761)]