82577920

素因数分解:

$2^9\times 5^1\times {\mathrm{32257}}^1$

素因数の和:32280

約数の個数: 40

約数和(自身を含む): 197999604

約数和(自身を除く): 115421684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 32257, 64514, 129028, 161285, 258056, 322570, 516112, 645140, 1032224, 1290280, 2064448, 2580560, 4128896, 5161120, 8257792, 10322240, 16515584, 20644480, 41288960, 82577920]

約数ペア:

[(1, 82577920), (2, 41288960), (4, 20644480), (5, 16515584), (8, 10322240), (10, 8257792), (16, 5161120), (20, 4128896), (32, 2580560), (40, 2064448), (64, 1290280), (80, 1032224), (128, 645140), (160, 516112), (256, 322570), (320, 258056), (512, 161285), (640, 129028), (1280, 64514), (2560, 32257)]