87001280

素因数分解:

$2^6\times 5^1\times {\mathrm{271879}}^1$

素因数の和:271896

約数の個数: 28

約数和(自身を含む): 207172560

約数和(自身を除く): 120171280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 271879, 543758, 1087516, 1359395, 2175032, 2718790, 4350064, 5437580, 8700128, 10875160, 17400256, 21750320, 43500640, 87001280]

約数ペア:

[(1, 87001280), (2, 43500640), (4, 21750320), (5, 17400256), (8, 10875160), (10, 8700128), (16, 5437580), (20, 4350064), (32, 2718790), (40, 2175032), (64, 1359395), (80, 1087516), (160, 543758), (320, 271879)]