22173280

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1151

約数の個数: 48

約数和(自身を含む): 52814160

約数和(自身を除く): 30640880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 997, 1112, 1390, 1994, 2224, 2780, 3988, 4448, 4985, 5560, 7976, 9970, 11120, 15952, 19940, 22240, 31904, 39880, 79760, 138583, 159520, 277166, 554332, 692915, 1108664, 1385830, 2217328, 2771660, 4434656, 5543320, 11086640, 22173280]

約数ペア:

[(1, 22173280), (2, 11086640), (4, 5543320), (5, 4434656), (8, 2771660), (10, 2217328), (16, 1385830), (20, 1108664), (32, 692915), (40, 554332), (80, 277166), (139, 159520), (160, 138583), (278, 79760), (556, 39880), (695, 31904), (997, 22240), (1112, 19940), (1390, 15952), (1994, 11120), (2224, 9970), (2780, 7976), (3988, 5560), (4448, 4985)]