77316520

素因数分解:

$2^3\times 5^1\times {\mathrm{467}}^1\times {\mathrm{4139}}^1$

素因数の和:4617

約数の個数: 32

約数和(自身を含む): 174376800

約数和(自身を除く): 97060280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 467, 934, 1868, 2335, 3736, 4139, 4670, 8278, 9340, 16556, 18680, 20695, 33112, 41390, 82780, 165560, 1932913, 3865826, 7731652, 9664565, 15463304, 19329130, 38658260, 77316520]

約数ペア:

[(1, 77316520), (2, 38658260), (4, 19329130), (5, 15463304), (8, 9664565), (10, 7731652), (20, 3865826), (40, 1932913), (467, 165560), (934, 82780), (1868, 41390), (2335, 33112), (3736, 20695), (4139, 18680), (4670, 16556), (8278, 9340)]