78810290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31907}}^1$

素因数の和:31946

約数の個数: 32

約数和(自身を含む): 160816320

約数和(自身を除く): 82006030

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 31907, 63814, 159535, 319070, 414791, 606233, 829582, 1212466, 2073955, 3031165, 4147910, 6062330, 7881029, 15762058, 39405145, 78810290]

約数ペア:

[(1, 78810290), (2, 39405145), (5, 15762058), (10, 7881029), (13, 6062330), (19, 4147910), (26, 3031165), (38, 2073955), (65, 1212466), (95, 829582), (130, 606233), (190, 414791), (247, 319070), (494, 159535), (1235, 63814), (2470, 31907)]