1040807720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{356441}}^1$

素因数の和:356525

約数の個数: 32

約数和(自身を含む): 2373903720

約数和(自身を除く): 1333096000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 356441, 712882, 1425764, 1782205, 2851528, 3564410, 7128820, 14257640, 26020193, 52040386, 104080772, 130100965, 208161544, 260201930, 520403860, 1040807720]

約数ペア:

[(1, 1040807720), (2, 520403860), (4, 260201930), (5, 208161544), (8, 130100965), (10, 104080772), (20, 52040386), (40, 26020193), (73, 14257640), (146, 7128820), (292, 3564410), (365, 2851528), (584, 1782205), (730, 1425764), (1460, 712882), (2920, 356441)]