66612320

素因数分解:

$2^5\times 5^1\times {\mathrm{457}}^1\times {\mathrm{911}}^1$

素因数の和:1383

約数の個数: 48

約数和(自身を含む): 157889088

約数和(自身を除く): 91276768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 457, 911, 914, 1822, 1828, 2285, 3644, 3656, 4555, 4570, 7288, 7312, 9110, 9140, 14576, 14624, 18220, 18280, 29152, 36440, 36560, 72880, 73120, 145760, 416327, 832654, 1665308, 2081635, 3330616, 4163270, 6661232, 8326540, 13322464, 16653080, 33306160, 66612320]

約数ペア:

[(1, 66612320), (2, 33306160), (4, 16653080), (5, 13322464), (8, 8326540), (10, 6661232), (16, 4163270), (20, 3330616), (32, 2081635), (40, 1665308), (80, 832654), (160, 416327), (457, 145760), (911, 73120), (914, 72880), (1822, 36560), (1828, 36440), (2285, 29152), (3644, 18280), (3656, 18220), (4555, 14624), (4570, 14576), (7288, 9140), (7312, 9110)]