202163840

素因数分解:

$2^7\times 5^1\times {\mathrm{315881}}^1$

素因数の和:315900

約数の個数: 32

約数和(自身を含む): 483299460

約数和(自身を除く): 281135620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 315881, 631762, 1263524, 1579405, 2527048, 3158810, 5054096, 6317620, 10108192, 12635240, 20216384, 25270480, 40432768, 50540960, 101081920, 202163840]

約数ペア:

[(1, 202163840), (2, 101081920), (4, 50540960), (5, 40432768), (8, 25270480), (10, 20216384), (16, 12635240), (20, 10108192), (32, 6317620), (40, 5054096), (64, 3158810), (80, 2527048), (128, 1579405), (160, 1263524), (320, 631762), (640, 315881)]