85457320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164341}}^1$

素因数の和:164365

約数の個数: 32

約数和(自身を含む): 207070920

約数和(自身を除く): 121613600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 164341, 328682, 657364, 821705, 1314728, 1643410, 2136433, 3286820, 4272866, 6573640, 8545732, 10682165, 17091464, 21364330, 42728660, 85457320]

約数ペア:

[(1, 85457320), (2, 42728660), (4, 21364330), (5, 17091464), (8, 10682165), (10, 8545732), (13, 6573640), (20, 4272866), (26, 3286820), (40, 2136433), (52, 1643410), (65, 1314728), (104, 821705), (130, 657364), (260, 328682), (520, 164341)]