158247680

素因数分解:

$2^8\times 5^1\times {\mathrm{123631}}^1$

素因数の和:123652

約数の個数: 36

約数和(自身を含む): 379055712

約数和(自身を除く): 220808032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 123631, 247262, 494524, 618155, 989048, 1236310, 1978096, 2472620, 3956192, 4945240, 7912384, 9890480, 15824768, 19780960, 31649536, 39561920, 79123840, 158247680]

約数ペア:

[(1, 158247680), (2, 79123840), (4, 39561920), (5, 31649536), (8, 19780960), (10, 15824768), (16, 9890480), (20, 7912384), (32, 4945240), (40, 3956192), (64, 2472620), (80, 1978096), (128, 1236310), (160, 989048), (256, 618155), (320, 494524), (640, 247262), (1280, 123631)]