90895480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{174799}}^1$

素因数の和:174823

約数の個数: 32

約数和(自身を含む): 220248000

約数和(自身を除く): 129352520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 174799, 349598, 699196, 873995, 1398392, 1747990, 2272387, 3495980, 4544774, 6991960, 9089548, 11361935, 18179096, 22723870, 45447740, 90895480]

約数ペア:

[(1, 90895480), (2, 45447740), (4, 22723870), (5, 18179096), (8, 11361935), (10, 9089548), (13, 6991960), (20, 4544774), (26, 3495980), (40, 2272387), (52, 1747990), (65, 1398392), (104, 873995), (130, 699196), (260, 349598), (520, 174799)]