40999780

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1879}}^1$

素因数の和:2979

約数の個数: 24

約数和(自身を含む): 86224320

約数和(自身を除く): 45224540

約数列:

[1, 2, 4, 5, 10, 20, 1091, 1879, 2182, 3758, 4364, 5455, 7516, 9395, 10910, 18790, 21820, 37580, 2049989, 4099978, 8199956, 10249945, 20499890, 40999780]

約数ペア:

[(1, 40999780), (2, 20499890), (4, 10249945), (5, 8199956), (10, 4099978), (20, 2049989), (1091, 37580), (1879, 21820), (2182, 18790), (3758, 10910), (4364, 9395), (5455, 7516)]