66885760

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2549}}^1$

素因数の和:2609

約数の個数: 64

約数和(自身を含む): 163863000

約数和(自身を除く): 96977240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1640, 2549, 2624, 3280, 5098, 5248, 6560, 10196, 12745, 13120, 20392, 25490, 26240, 40784, 50980, 81568, 101960, 104509, 163136, 203920, 209018, 326272, 407840, 418036, 522545, 815680, 836072, 1045090, 1631360, 1672144, 2090180, 3344288, 4180360, 6688576, 8360720, 13377152, 16721440, 33442880, 66885760]

約数ペア:

[(1, 66885760), (2, 33442880), (4, 16721440), (5, 13377152), (8, 8360720), (10, 6688576), (16, 4180360), (20, 3344288), (32, 2090180), (40, 1672144), (41, 1631360), (64, 1045090), (80, 836072), (82, 815680), (128, 522545), (160, 418036), (164, 407840), (205, 326272), (320, 209018), (328, 203920), (410, 163136), (640, 104509), (656, 101960), (820, 81568), (1312, 50980), (1640, 40784), (2549, 26240), (2624, 25490), (3280, 20392), (5098, 13120), (5248, 12745), (6560, 10196)]