66812360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{87911}}^1$

素因数の和:87941

約数の個数: 32

約数和(自身を含む): 158241600

約数和(自身を除く): 91429240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 87911, 175822, 351644, 439555, 703288, 879110, 1670309, 1758220, 3340618, 3516440, 6681236, 8351545, 13362472, 16703090, 33406180, 66812360]

約数ペア:

[(1, 66812360), (2, 33406180), (4, 16703090), (5, 13362472), (8, 8351545), (10, 6681236), (19, 3516440), (20, 3340618), (38, 1758220), (40, 1670309), (76, 879110), (95, 703288), (152, 439555), (190, 351644), (380, 175822), (760, 87911)]