78944120

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{10333}}^1$

素因数の和:10535

約数の個数: 32

約数和(自身を含む): 178571520

約数和(自身を除く): 99627400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 10333, 20666, 41332, 51665, 82664, 103330, 206660, 413320, 1973603, 3947206, 7894412, 9868015, 15788824, 19736030, 39472060, 78944120]

約数ペア:

[(1, 78944120), (2, 39472060), (4, 19736030), (5, 15788824), (8, 9868015), (10, 7894412), (20, 3947206), (40, 1973603), (191, 413320), (382, 206660), (764, 103330), (955, 82664), (1528, 51665), (1910, 41332), (3820, 20666), (7640, 10333)]