42680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1$

素因数の和:119

約数の個数: 32

約数和(自身を含む): 105840

約数和(自身を除く): 63160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 388, 440, 485, 776, 970, 1067, 1940, 2134, 3880, 4268, 5335, 8536, 10670, 21340, 42680]

約数ペア:

[(1, 42680), (2, 21340), (4, 10670), (5, 8536), (8, 5335), (10, 4268), (11, 3880), (20, 2134), (22, 1940), (40, 1067), (44, 970), (55, 776), (88, 485), (97, 440), (110, 388), (194, 220)]