80878250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{17027}}^1$

素因数の和:17063

約数の個数: 32

約数和(自身を含む): 159382080

約数和(自身を除く): 78503830

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4750, 17027, 34054, 85135, 170270, 323513, 425675, 647026, 851350, 1617565, 2128375, 3235130, 4256750, 8087825, 16175650, 40439125, 80878250]

約数ペア:

[(1, 80878250), (2, 40439125), (5, 16175650), (10, 8087825), (19, 4256750), (25, 3235130), (38, 2128375), (50, 1617565), (95, 851350), (125, 647026), (190, 425675), (250, 323513), (475, 170270), (950, 85135), (2375, 34054), (4750, 17027)]