56721940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8317}}^1$

素因数の和:8368

約数の個数: 48

約数和(自身を含む): 134152704

約数和(自身を除く): 77430764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 8317, 16634, 33268, 41585, 83170, 91487, 166340, 182974, 257827, 365948, 457435, 515654, 914870, 1031308, 1289135, 1829740, 2578270, 2836097, 5156540, 5672194, 11344388, 14180485, 28360970, 56721940]

約数ペア:

[(1, 56721940), (2, 28360970), (4, 14180485), (5, 11344388), (10, 5672194), (11, 5156540), (20, 2836097), (22, 2578270), (31, 1829740), (44, 1289135), (55, 1031308), (62, 914870), (110, 515654), (124, 457435), (155, 365948), (220, 257827), (310, 182974), (341, 166340), (620, 91487), (682, 83170), (1364, 41585), (1705, 33268), (3410, 16634), (6820, 8317)]