85003880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163469}}^1$

素因数の和:163493

約数の個数: 32

約数和(自身を含む): 205972200

約数和(自身を除く): 120968320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 163469, 326938, 653876, 817345, 1307752, 1634690, 2125097, 3269380, 4250194, 6538760, 8500388, 10625485, 17000776, 21250970, 42501940, 85003880]

約数ペア:

[(1, 85003880), (2, 42501940), (4, 21250970), (5, 17000776), (8, 10625485), (10, 8500388), (13, 6538760), (20, 4250194), (26, 3269380), (40, 2125097), (52, 1634690), (65, 1307752), (104, 817345), (130, 653876), (260, 326938), (520, 163469)]