140866240

素因数分解:

$2^6\times 5^1\times {\mathrm{440207}}^1$

素因数の和:440224

約数の個数: 28

約数和(自身を含む): 335438496

約数和(自身を除く): 194572256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 440207, 880414, 1760828, 2201035, 3521656, 4402070, 7043312, 8804140, 14086624, 17608280, 28173248, 35216560, 70433120, 140866240]

約数ペア:

[(1, 140866240), (2, 70433120), (4, 35216560), (5, 28173248), (8, 17608280), (10, 14086624), (16, 8804140), (20, 7043312), (32, 4402070), (40, 3521656), (64, 2201035), (80, 1760828), (160, 880414), (320, 440207)]