50720780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{20959}}^1$

素因数の和:20990

約数の個数: 36

約数和(自身を含む): 117082560

約数和(自身を除く): 66361780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 20959, 41918, 83836, 104795, 209590, 230549, 419180, 461098, 922196, 1152745, 2305490, 2536039, 4610980, 5072078, 10144156, 12680195, 25360390, 50720780]

約数ペア:

[(1, 50720780), (2, 25360390), (4, 12680195), (5, 10144156), (10, 5072078), (11, 4610980), (20, 2536039), (22, 2305490), (44, 1152745), (55, 922196), (110, 461098), (121, 419180), (220, 230549), (242, 209590), (484, 104795), (605, 83836), (1210, 41918), (2420, 20959)]