139047680

素因数分解:

$2^8\times 5^1\times {\mathrm{108631}}^1$

素因数の和:108652

約数の個数: 36

約数和(自身を含む): 333065712

約数和(自身を除く): 194018032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 108631, 217262, 434524, 543155, 869048, 1086310, 1738096, 2172620, 3476192, 4345240, 6952384, 8690480, 13904768, 17380960, 27809536, 34761920, 69523840, 139047680]

約数ペア:

[(1, 139047680), (2, 69523840), (4, 34761920), (5, 27809536), (8, 17380960), (10, 13904768), (16, 8690480), (20, 6952384), (32, 4345240), (40, 3476192), (64, 2172620), (80, 1738096), (128, 1086310), (160, 869048), (256, 543155), (320, 434524), (640, 217262), (1280, 108631)]