65254780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79579}}^1$

素因数の和:79629

約数の個数: 24

約数和(自身を含む): 140379120

約数和(自身を除く): 75124340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 79579, 159158, 318316, 397895, 795790, 1591580, 3262739, 6525478, 13050956, 16313695, 32627390, 65254780]

約数ペア:

[(1, 65254780), (2, 32627390), (4, 16313695), (5, 13050956), (10, 6525478), (20, 3262739), (41, 1591580), (82, 795790), (164, 397895), (205, 318316), (410, 159158), (820, 79579)]