40405880

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5839}}^1$

素因数の和:6023

約数の個数: 32

約数和(自身を含む): 91454400

約数和(自身を除く): 51048520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 5839, 6920, 11678, 23356, 29195, 46712, 58390, 116780, 233560, 1010147, 2020294, 4040588, 5050735, 8081176, 10101470, 20202940, 40405880]

約数ペア:

[(1, 40405880), (2, 20202940), (4, 10101470), (5, 8081176), (8, 5050735), (10, 4040588), (20, 2020294), (40, 1010147), (173, 233560), (346, 116780), (692, 58390), (865, 46712), (1384, 29195), (1730, 23356), (3460, 11678), (5839, 6920)]