66744920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151693}}^1$

素因数の和:151715

約数の個数: 32

約数和(自身を含む): 163829520

約数和(自身を除く): 97084600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 151693, 303386, 606772, 758465, 1213544, 1516930, 1668623, 3033860, 3337246, 6067720, 6674492, 8343115, 13348984, 16686230, 33372460, 66744920]

約数ペア:

[(1, 66744920), (2, 33372460), (4, 16686230), (5, 13348984), (8, 8343115), (10, 6674492), (11, 6067720), (20, 3337246), (22, 3033860), (40, 1668623), (44, 1516930), (55, 1213544), (88, 758465), (110, 606772), (220, 303386), (440, 151693)]