88730240

素因数分解:

$2^7\times 5^1\times {\mathrm{138641}}^1$

素因数の和:138660

約数の個数: 32

約数和(自身を含む): 212122260

約数和(自身を除く): 123392020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 138641, 277282, 554564, 693205, 1109128, 1386410, 2218256, 2772820, 4436512, 5545640, 8873024, 11091280, 17746048, 22182560, 44365120, 88730240]

約数ペア:

[(1, 88730240), (2, 44365120), (4, 22182560), (5, 17746048), (8, 11091280), (10, 8873024), (16, 5545640), (20, 4436512), (32, 2772820), (40, 2218256), (64, 1386410), (80, 1109128), (128, 693205), (160, 554564), (320, 277282), (640, 138641)]