71720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 177120

約数和(自身を除く): 105400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 163, 220, 326, 440, 652, 815, 1304, 1630, 1793, 3260, 3586, 6520, 7172, 8965, 14344, 17930, 35860, 71720]

約数ペア:

[(1, 71720), (2, 35860), (4, 17930), (5, 14344), (8, 8965), (10, 7172), (11, 6520), (20, 3586), (22, 3260), (40, 1793), (44, 1630), (55, 1304), (88, 815), (110, 652), (163, 440), (220, 326)]