66954320

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{17807}}^1$

素因数の和:17867

約数の個数: 40

約数和(自身を含む): 158989824

約数和(自身を除く): 92035504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 17807, 35614, 71228, 89035, 142456, 178070, 284912, 356140, 712280, 836929, 1424560, 1673858, 3347716, 4184645, 6695432, 8369290, 13390864, 16738580, 33477160, 66954320]

約数ペア:

[(1, 66954320), (2, 33477160), (4, 16738580), (5, 13390864), (8, 8369290), (10, 6695432), (16, 4184645), (20, 3347716), (40, 1673858), (47, 1424560), (80, 836929), (94, 712280), (188, 356140), (235, 284912), (376, 178070), (470, 142456), (752, 89035), (940, 71228), (1880, 35614), (3760, 17807)]