42971420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{15683}}^1$

素因数の和:15829

約数の個数: 24

約数和(自身を含む): 90904464

約数和(自身を除く): 47933044

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 15683, 31366, 62732, 78415, 156830, 313660, 2148571, 4297142, 8594284, 10742855, 21485710, 42971420]

約数ペア:

[(1, 42971420), (2, 21485710), (4, 10742855), (5, 8594284), (10, 4297142), (20, 2148571), (137, 313660), (274, 156830), (548, 78415), (685, 62732), (1370, 31366), (2740, 15683)]