81997250

素因数分解:

$2^1\times 5^3\times {\mathrm{73}}^1\times {\mathrm{4493}}^1$

素因数の和:4583

約数の個数: 32

約数和(自身を含む): 155636208

約数和(自身を除く): 73638958

約数列:

[1, 2, 5, 10, 25, 50, 73, 125, 146, 250, 365, 730, 1825, 3650, 4493, 8986, 9125, 18250, 22465, 44930, 112325, 224650, 327989, 561625, 655978, 1123250, 1639945, 3279890, 8199725, 16399450, 40998625, 81997250]

約数ペア:

[(1, 81997250), (2, 40998625), (5, 16399450), (10, 8199725), (25, 3279890), (50, 1639945), (73, 1123250), (125, 655978), (146, 561625), (250, 327989), (365, 224650), (730, 112325), (1825, 44930), (3650, 22465), (4493, 18250), (8986, 9125)]