40520960

素因数分解:

$2^8\times 5^1\times {\mathrm{31657}}^1$

素因数の和:31678

約数の個数: 36

約数和(自身を含む): 97063428

約数和(自身を除く): 56542468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 31657, 63314, 126628, 158285, 253256, 316570, 506512, 633140, 1013024, 1266280, 2026048, 2532560, 4052096, 5065120, 8104192, 10130240, 20260480, 40520960]

約数ペア:

[(1, 40520960), (2, 20260480), (4, 10130240), (5, 8104192), (8, 5065120), (10, 4052096), (16, 2532560), (20, 2026048), (32, 1266280), (40, 1013024), (64, 633140), (80, 506512), (128, 316570), (160, 253256), (256, 158285), (320, 126628), (640, 63314), (1280, 31657)]