80282240

素因数分解:

$2^7\times 5^1\times {\mathrm{125441}}^1$

素因数の和:125460

約数の個数: 32

約数和(自身を含む): 191926260

約数和(自身を除く): 111644020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 125441, 250882, 501764, 627205, 1003528, 1254410, 2007056, 2508820, 4014112, 5017640, 8028224, 10035280, 16056448, 20070560, 40141120, 80282240]

約数ペア:

[(1, 80282240), (2, 40141120), (4, 20070560), (5, 16056448), (8, 10035280), (10, 8028224), (16, 5017640), (20, 4014112), (32, 2508820), (40, 2007056), (64, 1254410), (80, 1003528), (128, 627205), (160, 501764), (320, 250882), (640, 125441)]