66917980

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{6007}}^1$

素因数の和:6573

約数の個数: 24

約数和(自身を含む): 140803488

約数和(自身を除く): 73885508

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 6007, 11140, 12014, 24028, 30035, 60070, 120140, 3345899, 6691798, 13383596, 16729495, 33458990, 66917980]

約数ペア:

[(1, 66917980), (2, 33458990), (4, 16729495), (5, 13383596), (10, 6691798), (20, 3345899), (557, 120140), (1114, 60070), (2228, 30035), (2785, 24028), (5570, 12014), (6007, 11140)]