25417840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{45389}}^1$

素因数の和:45409

約数の個数: 40

約数和(自身を含む): 67540320

約数和(自身を除く): 42122480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 45389, 90778, 181556, 226945, 317723, 363112, 453890, 635446, 726224, 907780, 1270892, 1588615, 1815560, 2541784, 3177230, 3631120, 5083568, 6354460, 12708920, 25417840]

約数ペア:

[(1, 25417840), (2, 12708920), (4, 6354460), (5, 5083568), (7, 3631120), (8, 3177230), (10, 2541784), (14, 1815560), (16, 1588615), (20, 1270892), (28, 907780), (35, 726224), (40, 635446), (56, 453890), (70, 363112), (80, 317723), (112, 226945), (140, 181556), (280, 90778), (560, 45389)]