56081720

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{3253}}^1$

素因数の和:3695

約数の個数: 32

約数和(自身を含む): 126515520

約数和(自身を除く): 70433800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3253, 3448, 4310, 6506, 8620, 13012, 16265, 17240, 26024, 32530, 65060, 130120, 1402043, 2804086, 5608172, 7010215, 11216344, 14020430, 28040860, 56081720]

約数ペア:

[(1, 56081720), (2, 28040860), (4, 14020430), (5, 11216344), (8, 7010215), (10, 5608172), (20, 2804086), (40, 1402043), (431, 130120), (862, 65060), (1724, 32530), (2155, 26024), (3253, 17240), (3448, 16265), (4310, 13012), (6506, 8620)]