51417740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21247}}^1$

素因数の和:21278

約数の個数: 36

約数和(自身を含む): 118691328

約数和(自身を除く): 67273588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 21247, 42494, 84988, 106235, 212470, 233717, 424940, 467434, 934868, 1168585, 2337170, 2570887, 4674340, 5141774, 10283548, 12854435, 25708870, 51417740]

約数ペア:

[(1, 51417740), (2, 25708870), (4, 12854435), (5, 10283548), (10, 5141774), (11, 4674340), (20, 2570887), (22, 2337170), (44, 1168585), (55, 934868), (110, 467434), (121, 424940), (220, 233717), (242, 212470), (484, 106235), (605, 84988), (1210, 42494), (2420, 21247)]