129501080

素因数分解:

$2^3\times 5^1\times {\mathrm{3237527}}^1$

素因数の和:3237538

約数の個数: 16

約数和(自身を含む): 291377520

約数和(自身を除く): 161876440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3237527, 6475054, 12950108, 16187635, 25900216, 32375270, 64750540, 129501080]

約数ペア:

[(1, 129501080), (2, 64750540), (4, 32375270), (5, 25900216), (8, 16187635), (10, 12950108), (20, 6475054), (40, 3237527)]