65809520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{117517}}^1$

素因数の和:117537

約数の個数: 40

約数和(自身を含む): 174866784

約数和(自身を除く): 109057264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 117517, 235034, 470068, 587585, 822619, 940136, 1175170, 1645238, 1880272, 2350340, 3290476, 4113095, 4700680, 6580952, 8226190, 9401360, 13161904, 16452380, 32904760, 65809520]

約数ペア:

[(1, 65809520), (2, 32904760), (4, 16452380), (5, 13161904), (7, 9401360), (8, 8226190), (10, 6580952), (14, 4700680), (16, 4113095), (20, 3290476), (28, 2350340), (35, 1880272), (40, 1645238), (56, 1175170), (70, 940136), (80, 822619), (112, 587585), (140, 470068), (280, 235034), (560, 117517)]