156883840

素因数分解:

$2^7\times 5^1\times {\mathrm{245131}}^1$

素因数の和:245150

約数の個数: 32

約数和(自身を含む): 375051960

約数和(自身を除く): 218168120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 245131, 490262, 980524, 1225655, 1961048, 2451310, 3922096, 4902620, 7844192, 9805240, 15688384, 19610480, 31376768, 39220960, 78441920, 156883840]

約数ペア:

[(1, 156883840), (2, 78441920), (4, 39220960), (5, 31376768), (8, 19610480), (10, 15688384), (16, 9805240), (20, 7844192), (32, 4902620), (40, 3922096), (64, 2451310), (80, 1961048), (128, 1225655), (160, 980524), (320, 490262), (640, 245131)]