66020920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{235789}}^1$

素因数の和:235807

約数の個数: 32

約数和(自身を含む): 169768800

約数和(自身を除く): 103747880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 235789, 471578, 943156, 1178945, 1650523, 1886312, 2357890, 3301046, 4715780, 6602092, 8252615, 9431560, 13204184, 16505230, 33010460, 66020920]

約数ペア:

[(1, 66020920), (2, 33010460), (4, 16505230), (5, 13204184), (7, 9431560), (8, 8252615), (10, 6602092), (14, 4715780), (20, 3301046), (28, 2357890), (35, 1886312), (40, 1650523), (56, 1178945), (70, 943156), (140, 471578), (280, 235789)]