65628920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4987}}^1$

素因数の和:5052

約数の個数: 64

約数和(自身を含む): 172385280

約数和(自身を除く): 106756360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 4987, 6580, 9974, 13160, 19948, 24935, 34909, 39896, 49870, 69818, 99740, 139636, 174545, 199480, 234389, 279272, 349090, 468778, 698180, 937556, 1171945, 1396360, 1640723, 1875112, 2343890, 3281446, 4687780, 6562892, 8203615, 9375560, 13125784, 16407230, 32814460, 65628920]

約数ペア:

[(1, 65628920), (2, 32814460), (4, 16407230), (5, 13125784), (7, 9375560), (8, 8203615), (10, 6562892), (14, 4687780), (20, 3281446), (28, 2343890), (35, 1875112), (40, 1640723), (47, 1396360), (56, 1171945), (70, 937556), (94, 698180), (140, 468778), (188, 349090), (235, 279272), (280, 234389), (329, 199480), (376, 174545), (470, 139636), (658, 99740), (940, 69818), (1316, 49870), (1645, 39896), (1880, 34909), (2632, 24935), (3290, 19948), (4987, 13160), (6580, 9974)]