326791040

素因数分解:

$2^7\times 5^1\times {\mathrm{510611}}^1$

素因数の和:510630

約数の個数: 32

約数和(自身を含む): 781236360

約数和(自身を除く): 454445320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 510611, 1021222, 2042444, 2553055, 4084888, 5106110, 8169776, 10212220, 16339552, 20424440, 32679104, 40848880, 65358208, 81697760, 163395520, 326791040]

約数ペア:

[(1, 326791040), (2, 163395520), (4, 81697760), (5, 65358208), (8, 40848880), (10, 32679104), (16, 20424440), (20, 16339552), (32, 10212220), (40, 8169776), (64, 5106110), (80, 4084888), (128, 2553055), (160, 2042444), (320, 1021222), (640, 510611)]