38930380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21871}}^1$

素因数の和:21969

約数の個数: 24

約数和(自身を含む): 82676160

約数和(自身を除く): 43745780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 21871, 43742, 87484, 109355, 218710, 437420, 1946519, 3893038, 7786076, 9732595, 19465190, 38930380]

約数ペア:

[(1, 38930380), (2, 19465190), (4, 9732595), (5, 7786076), (10, 3893038), (20, 1946519), (89, 437420), (178, 218710), (356, 109355), (445, 87484), (890, 43742), (1780, 21871)]