125205320

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{15889}}^1$

素因数の和:16097

約数の個数: 32

約数和(自身を含む): 283159800

約数和(自身を除く): 157954480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 15889, 31778, 63556, 79445, 127112, 158890, 317780, 635560, 3130133, 6260266, 12520532, 15650665, 25041064, 31301330, 62602660, 125205320]

約数ペア:

[(1, 125205320), (2, 62602660), (4, 31301330), (5, 25041064), (8, 15650665), (10, 12520532), (20, 6260266), (40, 3130133), (197, 635560), (394, 317780), (788, 158890), (985, 127112), (1576, 79445), (1970, 63556), (3940, 31778), (7880, 15889)]