77569520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{138517}}^1$

素因数の和:138537

約数の個数: 40

約数和(自身を含む): 206114784

約数和(自身を除く): 128545264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 138517, 277034, 554068, 692585, 969619, 1108136, 1385170, 1939238, 2216272, 2770340, 3878476, 4848095, 5540680, 7756952, 9696190, 11081360, 15513904, 19392380, 38784760, 77569520]

約数ペア:

[(1, 77569520), (2, 38784760), (4, 19392380), (5, 15513904), (7, 11081360), (8, 9696190), (10, 7756952), (14, 5540680), (16, 4848095), (20, 3878476), (28, 2770340), (35, 2216272), (40, 1939238), (56, 1385170), (70, 1108136), (80, 969619), (112, 692585), (140, 554068), (280, 277034), (560, 138517)]