20260480

素因数分解:

$2^7\times 5^1\times {\mathrm{31657}}^1$

素因数の和:31676

約数の個数: 32

約数和(自身を含む): 48436740

約数和(自身を除く): 28176260

約数列:

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

約数ペア:

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