80682880

素因数分解:

$2^7\times 5^1\times {\mathrm{126067}}^1$

素因数の和:126086

約数の個数: 32

約数和(自身を含む): 192884040

約数和(自身を除く): 112201160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 126067, 252134, 504268, 630335, 1008536, 1260670, 2017072, 2521340, 4034144, 5042680, 8068288, 10085360, 16136576, 20170720, 40341440, 80682880]

約数ペア:

[(1, 80682880), (2, 40341440), (4, 20170720), (5, 16136576), (8, 10085360), (10, 8068288), (16, 5042680), (20, 4034144), (32, 2521340), (40, 2017072), (64, 1260670), (80, 1008536), (128, 630335), (160, 504268), (320, 252134), (640, 126067)]