4220380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2371}}^1$

素因数の和:2469

約数の個数: 24

約数和(自身を含む): 8966160

約数和(自身を除く): 4745780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2371, 4742, 9484, 11855, 23710, 47420, 211019, 422038, 844076, 1055095, 2110190, 4220380]

約数ペア:

[(1, 4220380), (2, 2110190), (4, 1055095), (5, 844076), (10, 422038), (20, 211019), (89, 47420), (178, 23710), (356, 11855), (445, 9484), (890, 4742), (1780, 2371)]