42163840

素因数分解:

$2^7\times 5^1\times {\mathrm{65881}}^1$

素因数の和:65900

約数の個数: 32

約数和(自身を含む): 100799460

約数和(自身を除く): 58635620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 65881, 131762, 263524, 329405, 527048, 658810, 1054096, 1317620, 2108192, 2635240, 4216384, 5270480, 8432768, 10540960, 21081920, 42163840]

約数ペア:

[(1, 42163840), (2, 21081920), (4, 10540960), (5, 8432768), (8, 5270480), (10, 4216384), (16, 2635240), (20, 2108192), (32, 1317620), (40, 1054096), (64, 658810), (80, 527048), (128, 329405), (160, 263524), (320, 131762), (640, 65881)]