128545520

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{15017}}^1$

素因数の和:15137

約数の個数: 40

約数和(自身を含む): 301681584

約数和(自身を除く): 173136064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 15017, 30034, 60068, 75085, 120136, 150170, 240272, 300340, 600680, 1201360, 1606819, 3213638, 6427276, 8034095, 12854552, 16068190, 25709104, 32136380, 64272760, 128545520]

約数ペア:

[(1, 128545520), (2, 64272760), (4, 32136380), (5, 25709104), (8, 16068190), (10, 12854552), (16, 8034095), (20, 6427276), (40, 3213638), (80, 1606819), (107, 1201360), (214, 600680), (428, 300340), (535, 240272), (856, 150170), (1070, 120136), (1712, 75085), (2140, 60068), (4280, 30034), (8560, 15017)]