87505280

素因数分解:

$2^7\times 5^1\times {\mathrm{136727}}^1$

素因数の和:136746

約数の個数: 32

約数和(自身を含む): 209193840

約数和(自身を除く): 121688560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 136727, 273454, 546908, 683635, 1093816, 1367270, 2187632, 2734540, 4375264, 5469080, 8750528, 10938160, 17501056, 21876320, 43752640, 87505280]

約数ペア:

[(1, 87505280), (2, 43752640), (4, 21876320), (5, 17501056), (8, 10938160), (10, 8750528), (16, 5469080), (20, 4375264), (32, 2734540), (40, 2187632), (64, 1367270), (80, 1093816), (128, 683635), (160, 546908), (320, 273454), (640, 136727)]