66561800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19577}}^1$

素因数の和:19610

約数の個数: 48

約数和(自身を含む): 163867860

約数和(自身を除く): 97306060

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 19577, 39154, 78308, 97885, 156616, 195770, 332809, 391540, 489425, 665618, 783080, 978850, 1331236, 1664045, 1957700, 2662472, 3328090, 3915400, 6656180, 8320225, 13312360, 16640450, 33280900, 66561800]

約数ペア:

[(1, 66561800), (2, 33280900), (4, 16640450), (5, 13312360), (8, 8320225), (10, 6656180), (17, 3915400), (20, 3328090), (25, 2662472), (34, 1957700), (40, 1664045), (50, 1331236), (68, 978850), (85, 783080), (100, 665618), (136, 489425), (170, 391540), (200, 332809), (340, 195770), (425, 156616), (680, 97885), (850, 78308), (1700, 39154), (3400, 19577)]