55352660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 129706920

約数和(自身を除く): 74354260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 121, 178, 220, 242, 257, 356, 445, 484, 514, 605, 890, 979, 1028, 1210, 1285, 1780, 1958, 2420, 2570, 2827, 3916, 4895, 5140, 5654, 9790, 10769, 11308, 14135, 19580, 21538, 22873, 28270, 31097, 43076, 45746, 53845, 56540, 62194, 91492, 107690, 114365, 124388, 155485, 215380, 228730, 251603, 310970, 457460, 503206, 621940, 1006412, 1258015, 2516030, 2767633, 5032060, 5535266, 11070532, 13838165, 27676330, 55352660]

約数ペア:

[(1, 55352660), (2, 27676330), (4, 13838165), (5, 11070532), (10, 5535266), (11, 5032060), (20, 2767633), (22, 2516030), (44, 1258015), (55, 1006412), (89, 621940), (110, 503206), (121, 457460), (178, 310970), (220, 251603), (242, 228730), (257, 215380), (356, 155485), (445, 124388), (484, 114365), (514, 107690), (605, 91492), (890, 62194), (979, 56540), (1028, 53845), (1210, 45746), (1285, 43076), (1780, 31097), (1958, 28270), (2420, 22873), (2570, 21538), (2827, 19580), (3916, 14135), (4895, 11308), (5140, 10769), (5654, 9790)]