64050744880

素因数分解:

$2^4\times 5^1\times {\mathrm{21821}}^1\times {\mathrm{36691}}^1$

素因数の和:58525

約数の個数: 40

約数和(自身を含む): 148928865264

約数和(自身を除く): 84878120384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 21821, 36691, 43642, 73382, 87284, 109105, 146764, 174568, 183455, 218210, 293528, 349136, 366910, 436420, 587056, 733820, 872840, 1467640, 1745680, 2935280, 800634311, 1601268622, 3202537244, 4003171555, 6405074488, 8006343110, 12810148976, 16012686220, 32025372440, 64050744880]

約数ペア:

[(1, 64050744880), (2, 32025372440), (4, 16012686220), (5, 12810148976), (8, 8006343110), (10, 6405074488), (16, 4003171555), (20, 3202537244), (40, 1601268622), (80, 800634311), (21821, 2935280), (36691, 1745680), (43642, 1467640), (73382, 872840), (87284, 733820), (109105, 587056), (146764, 436420), (174568, 366910), (183455, 349136), (218210, 293528)]