82172980

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{17191}}^1$

素因数の和:17439

約数の個数: 24

約数和(自身を含む): 173295360

約数和(自身を除く): 91122380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 17191, 34382, 68764, 85955, 171910, 343820, 4108649, 8217298, 16434596, 20543245, 41086490, 82172980]

約数ペア:

[(1, 82172980), (2, 41086490), (4, 20543245), (5, 16434596), (10, 8217298), (20, 4108649), (239, 343820), (478, 171910), (956, 85955), (1195, 68764), (2390, 34382), (4780, 17191)]