798235520

素因数分解:

$2^7\times 5^1\times {\mathrm{1247243}}^1$

素因数の和:1247262

約数の個数: 32

約数和(自身を含む): 1908283320

約数和(自身を除く): 1110047800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1247243, 2494486, 4988972, 6236215, 9977944, 12472430, 19955888, 24944860, 39911776, 49889720, 79823552, 99779440, 159647104, 199558880, 399117760, 798235520]

約数ペア:

[(1, 798235520), (2, 399117760), (4, 199558880), (5, 159647104), (8, 99779440), (10, 79823552), (16, 49889720), (20, 39911776), (32, 24944860), (40, 19955888), (64, 12472430), (80, 9977944), (128, 6236215), (160, 4988972), (320, 2494486), (640, 1247243)]