29221720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{66413}}^1$

素因数の和:66435

約数の個数: 32

約数和(自身を含む): 71727120

約数和(自身を除く): 42505400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 66413, 132826, 265652, 332065, 531304, 664130, 730543, 1328260, 1461086, 2656520, 2922172, 3652715, 5844344, 7305430, 14610860, 29221720]

約数ペア:

[(1, 29221720), (2, 14610860), (4, 7305430), (5, 5844344), (8, 3652715), (10, 2922172), (11, 2656520), (20, 1461086), (22, 1328260), (40, 730543), (44, 664130), (55, 531304), (88, 332065), (110, 265652), (220, 132826), (440, 66413)]