40890460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157271}}^1$

素因数の和:157293

約数の個数: 24

約数和(自身を含む): 92475936

約数和(自身を除く): 51585476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 157271, 314542, 629084, 786355, 1572710, 2044523, 3145420, 4089046, 8178092, 10222615, 20445230, 40890460]

約数ペア:

[(1, 40890460), (2, 20445230), (4, 10222615), (5, 8178092), (10, 4089046), (13, 3145420), (20, 2044523), (26, 1572710), (52, 786355), (65, 629084), (130, 314542), (260, 157271)]