97725820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{68821}}^1$

素因数の和:68901

約数の個数: 24

約数和(自身を含む): 208117728

約数和(自身を除く): 110391908

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 68821, 137642, 275284, 344105, 688210, 1376420, 4886291, 9772582, 19545164, 24431455, 48862910, 97725820]

約数ペア:

[(1, 97725820), (2, 48862910), (4, 24431455), (5, 19545164), (10, 9772582), (20, 4886291), (71, 1376420), (142, 688210), (284, 344105), (355, 275284), (710, 137642), (1420, 68821)]