64370120

素因数分解:

$2^3\times 5^1\times {\mathrm{577}}^1\times {\mathrm{2789}}^1$

素因数の和:3377

約数の個数: 32

約数和(自身を含む): 145135800

約数和(自身を除く): 80765680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 577, 1154, 2308, 2789, 2885, 4616, 5578, 5770, 11156, 11540, 13945, 22312, 23080, 27890, 55780, 111560, 1609253, 3218506, 6437012, 8046265, 12874024, 16092530, 32185060, 64370120]

約数ペア:

[(1, 64370120), (2, 32185060), (4, 16092530), (5, 12874024), (8, 8046265), (10, 6437012), (20, 3218506), (40, 1609253), (577, 111560), (1154, 55780), (2308, 27890), (2789, 23080), (2885, 22312), (4616, 13945), (5578, 11540), (5770, 11156)]