64826120

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{5279}}^1$

素因数の和:5597

約数の個数: 32

約数和(自身を含む): 146361600

約数和(自身を除く): 81535480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 5279, 6140, 10558, 12280, 21116, 26395, 42232, 52790, 105580, 211160, 1620653, 3241306, 6482612, 8103265, 12965224, 16206530, 32413060, 64826120]

約数ペア:

[(1, 64826120), (2, 32413060), (4, 16206530), (5, 12965224), (8, 8103265), (10, 6482612), (20, 3241306), (40, 1620653), (307, 211160), (614, 105580), (1228, 52790), (1535, 42232), (2456, 26395), (3070, 21116), (5279, 12280), (6140, 10558)]