88720640

素因数分解:

$2^8\times 5^1\times {\mathrm{69313}}^1$

素因数の和:69334

約数の個数: 36

約数和(自身を含む): 212516724

約数和(自身を除く): 123796084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 69313, 138626, 277252, 346565, 554504, 693130, 1109008, 1386260, 2218016, 2772520, 4436032, 5545040, 8872064, 11090080, 17744128, 22180160, 44360320, 88720640]

約数ペア:

[(1, 88720640), (2, 44360320), (4, 22180160), (5, 17744128), (8, 11090080), (10, 8872064), (16, 5545040), (20, 4436032), (32, 2772520), (40, 2218016), (64, 1386260), (80, 1109008), (128, 693130), (160, 554504), (256, 346565), (320, 277252), (640, 138626), (1280, 69313)]