40713520

素因数分解:

$2^4\times 5^1\times {\mathrm{508919}}^1$

素因数の和:508932

約数の個数: 20

約数和(自身を含む): 94659120

約数和(自身を除く): 53945600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 508919, 1017838, 2035676, 2544595, 4071352, 5089190, 8142704, 10178380, 20356760, 40713520]

約数ペア:

[(1, 40713520), (2, 20356760), (4, 10178380), (5, 8142704), (8, 5089190), (10, 4071352), (16, 2544595), (20, 2035676), (40, 1017838), (80, 508919)]