128549320

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{21283}}^1$

素因数の和:21445

約数の個数: 32

約数和(自身を含む): 291165120

約数和(自身を除く): 162615800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 21283, 42566, 85132, 106415, 170264, 212830, 425660, 851320, 3213733, 6427466, 12854932, 16068665, 25709864, 32137330, 64274660, 128549320]

約数ペア:

[(1, 128549320), (2, 64274660), (4, 32137330), (5, 25709864), (8, 16068665), (10, 12854932), (20, 6427466), (40, 3213733), (151, 851320), (302, 425660), (604, 212830), (755, 170264), (1208, 106415), (1510, 85132), (3020, 42566), (6040, 21283)]