201523640

素因数分解:

$2^3\times 5^1\times {\mathrm{5038091}}^1$

素因数の和:5038102

約数の個数: 16

約数和(自身を含む): 453428280

約数和(自身を除く): 251904640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5038091, 10076182, 20152364, 25190455, 40304728, 50380910, 100761820, 201523640]

約数ペア:

[(1, 201523640), (2, 100761820), (4, 50380910), (5, 40304728), (8, 25190455), (10, 20152364), (20, 10076182), (40, 5038091)]