51630380

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{3191}}^1$

素因数の和:4009

約数の個数: 24

約数和(自身を含む): 108591840

約数和(自身を除く): 56961460

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3191, 3236, 4045, 6382, 8090, 12764, 15955, 16180, 31910, 63820, 2581519, 5163038, 10326076, 12907595, 25815190, 51630380]

約数ペア:

[(1, 51630380), (2, 25815190), (4, 12907595), (5, 10326076), (10, 5163038), (20, 2581519), (809, 63820), (1618, 31910), (3191, 16180), (3236, 15955), (4045, 12764), (6382, 8090)]