25521320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5273}}^1$

素因数の和:5306

約数の個数: 48

約数和(自身を含む): 63129780

約数和(自身を除く): 37608460

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 5273, 10546, 21092, 26365, 42184, 52730, 58003, 105460, 116006, 210920, 232012, 290015, 464024, 580030, 638033, 1160060, 1276066, 2320120, 2552132, 3190165, 5104264, 6380330, 12760660, 25521320]

約数ペア:

[(1, 25521320), (2, 12760660), (4, 6380330), (5, 5104264), (8, 3190165), (10, 2552132), (11, 2320120), (20, 1276066), (22, 1160060), (40, 638033), (44, 580030), (55, 464024), (88, 290015), (110, 232012), (121, 210920), (220, 116006), (242, 105460), (440, 58003), (484, 52730), (605, 42184), (968, 26365), (1210, 21092), (2420, 10546), (4840, 5273)]