66500560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{118751}}^1$

素因数の和:118771

約数の個数: 40

約数和(自身を含む): 176702976

約数和(自身を除く): 110202416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 118751, 237502, 475004, 593755, 831257, 950008, 1187510, 1662514, 1900016, 2375020, 3325028, 4156285, 4750040, 6650056, 8312570, 9500080, 13300112, 16625140, 33250280, 66500560]

約数ペア:

[(1, 66500560), (2, 33250280), (4, 16625140), (5, 13300112), (7, 9500080), (8, 8312570), (10, 6650056), (14, 4750040), (16, 4156285), (20, 3325028), (28, 2375020), (35, 1900016), (40, 1662514), (56, 1187510), (70, 950008), (80, 831257), (112, 593755), (140, 475004), (280, 237502), (560, 118751)]