82786240

素因数分解:

$2^6\times 5^1\times {\mathrm{258707}}^1$

素因数の和:258724

約数の個数: 28

約数和(自身を含む): 197135496

約数和(自身を除く): 114349256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 258707, 517414, 1034828, 1293535, 2069656, 2587070, 4139312, 5174140, 8278624, 10348280, 16557248, 20696560, 41393120, 82786240]

約数ペア:

[(1, 82786240), (2, 41393120), (4, 20696560), (5, 16557248), (8, 10348280), (10, 8278624), (16, 5174140), (20, 4139312), (32, 2587070), (40, 2069656), (64, 1293535), (80, 1034828), (160, 517414), (320, 258707)]