129301210

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{128021}}^1$

素因数の和:128129

約数の個数: 16

約数和(自身を含む): 235048392

約数和(自身を除く): 105747182

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 128021, 256042, 640105, 1280210, 12930121, 25860242, 64650605, 129301210]

約数ペア:

[(1, 129301210), (2, 64650605), (5, 25860242), (10, 12930121), (101, 1280210), (202, 640105), (505, 256042), (1010, 128021)]