124427440

素因数分解:

$2^4\times 5^1\times {\mathrm{1555343}}^1$

素因数の和:1555356

約数の個数: 20

約数和(自身を含む): 289293984

約数和(自身を除く): 164866544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1555343, 3110686, 6221372, 7776715, 12442744, 15553430, 24885488, 31106860, 62213720, 124427440]

約数ペア:

[(1, 124427440), (2, 62213720), (4, 31106860), (5, 24885488), (8, 15553430), (10, 12442744), (16, 7776715), (20, 6221372), (40, 3110686), (80, 1555343)]