38857840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{69389}}^1$

素因数の和:69409

約数の個数: 40

約数和(自身を含む): 103252320

約数和(自身を除く): 64394480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 69389, 138778, 277556, 346945, 485723, 555112, 693890, 971446, 1110224, 1387780, 1942892, 2428615, 2775560, 3885784, 4857230, 5551120, 7771568, 9714460, 19428920, 38857840]

約数ペア:

[(1, 38857840), (2, 19428920), (4, 9714460), (5, 7771568), (7, 5551120), (8, 4857230), (10, 3885784), (14, 2775560), (16, 2428615), (20, 1942892), (28, 1387780), (35, 1110224), (40, 971446), (56, 693890), (70, 555112), (80, 485723), (112, 346945), (140, 277556), (280, 138778), (560, 69389)]