66402800

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1523}}^1$

素因数の和:1650

約数の個数: 60

約数和(自身を含む): 161102040

約数和(自身を除く): 94699240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 200, 218, 400, 436, 545, 872, 1090, 1523, 1744, 2180, 2725, 3046, 4360, 5450, 6092, 7615, 8720, 10900, 12184, 15230, 21800, 24368, 30460, 38075, 43600, 60920, 76150, 121840, 152300, 166007, 304600, 332014, 609200, 664028, 830035, 1328056, 1660070, 2656112, 3320140, 4150175, 6640280, 8300350, 13280560, 16600700, 33201400, 66402800]

約数ペア:

[(1, 66402800), (2, 33201400), (4, 16600700), (5, 13280560), (8, 8300350), (10, 6640280), (16, 4150175), (20, 3320140), (25, 2656112), (40, 1660070), (50, 1328056), (80, 830035), (100, 664028), (109, 609200), (200, 332014), (218, 304600), (400, 166007), (436, 152300), (545, 121840), (872, 76150), (1090, 60920), (1523, 43600), (1744, 38075), (2180, 30460), (2725, 24368), (3046, 21800), (4360, 15230), (5450, 12184), (6092, 10900), (7615, 8720)]