27985760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15901}}^1$

素因数の和:15927

約数の個数: 48

約数和(自身を含む): 72131472

約数和(自身を除く): 44145712

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 15901, 31802, 63604, 79505, 127208, 159010, 174911, 254416, 318020, 349822, 508832, 636040, 699644, 874555, 1272080, 1399288, 1749110, 2544160, 2798576, 3498220, 5597152, 6996440, 13992880, 27985760]

約数ペア:

[(1, 27985760), (2, 13992880), (4, 6996440), (5, 5597152), (8, 3498220), (10, 2798576), (11, 2544160), (16, 1749110), (20, 1399288), (22, 1272080), (32, 874555), (40, 699644), (44, 636040), (55, 508832), (80, 349822), (88, 318020), (110, 254416), (160, 174911), (176, 159010), (220, 127208), (352, 79505), (440, 63604), (880, 31802), (1760, 15901)]