66612880

素因数分解:

$2^4\times 5^1\times {\mathrm{467}}^1\times {\mathrm{1783}}^1$

素因数の和:2263

約数の個数: 40

約数和(自身を含む): 155293632

約数和(自身を除く): 88680752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 467, 934, 1783, 1868, 2335, 3566, 3736, 4670, 7132, 7472, 8915, 9340, 14264, 17830, 18680, 28528, 35660, 37360, 71320, 142640, 832661, 1665322, 3330644, 4163305, 6661288, 8326610, 13322576, 16653220, 33306440, 66612880]

約数ペア:

[(1, 66612880), (2, 33306440), (4, 16653220), (5, 13322576), (8, 8326610), (10, 6661288), (16, 4163305), (20, 3330644), (40, 1665322), (80, 832661), (467, 142640), (934, 71320), (1783, 37360), (1868, 35660), (2335, 28528), (3566, 18680), (3736, 17830), (4670, 14264), (7132, 9340), (7472, 8915)]