61132280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{138937}}^1$

素因数の和:138959

約数の個数: 32

約数和(自身を含む): 150053040

約数和(自身を除く): 88920760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 138937, 277874, 555748, 694685, 1111496, 1389370, 1528307, 2778740, 3056614, 5557480, 6113228, 7641535, 12226456, 15283070, 30566140, 61132280]

約数ペア:

[(1, 61132280), (2, 30566140), (4, 15283070), (5, 12226456), (8, 7641535), (10, 6113228), (11, 5557480), (20, 3056614), (22, 2778740), (40, 1528307), (44, 1389370), (55, 1111496), (88, 694685), (110, 555748), (220, 277874), (440, 138937)]