40716880

素因数分解:

$2^4\times 5^1\times {\mathrm{508961}}^1$

素因数の和:508974

約数の個数: 20

約数和(自身を含む): 94666932

約数和(自身を除く): 53950052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 508961, 1017922, 2035844, 2544805, 4071688, 5089610, 8143376, 10179220, 20358440, 40716880]

約数ペア:

[(1, 40716880), (2, 20358440), (4, 10179220), (5, 8143376), (8, 5089610), (10, 4071688), (16, 2544805), (20, 2035844), (40, 1017922), (80, 508961)]