78273640

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{6173}}^1$

素因数の和:6501

約数の個数: 32

約数和(自身を含む): 176699880

約数和(自身を除く): 98426240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6173, 6340, 12346, 12680, 24692, 30865, 49384, 61730, 123460, 246920, 1956841, 3913682, 7827364, 9784205, 15654728, 19568410, 39136820, 78273640]

約数ペア:

[(1, 78273640), (2, 39136820), (4, 19568410), (5, 15654728), (8, 9784205), (10, 7827364), (20, 3913682), (40, 1956841), (317, 246920), (634, 123460), (1268, 61730), (1585, 49384), (2536, 30865), (3170, 24692), (6173, 12680), (6340, 12346)]