13445560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 31946400

約数和(自身を除く): 18500840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 67, 116, 134, 145, 173, 232, 268, 290, 335, 346, 536, 580, 670, 692, 865, 1160, 1340, 1384, 1730, 1943, 2680, 3460, 3886, 5017, 6920, 7772, 9715, 10034, 11591, 15544, 19430, 20068, 23182, 25085, 38860, 40136, 46364, 50170, 57955, 77720, 92728, 100340, 115910, 200680, 231820, 336139, 463640, 672278, 1344556, 1680695, 2689112, 3361390, 6722780, 13445560]

約数ペア:

[(1, 13445560), (2, 6722780), (4, 3361390), (5, 2689112), (8, 1680695), (10, 1344556), (20, 672278), (29, 463640), (40, 336139), (58, 231820), (67, 200680), (116, 115910), (134, 100340), (145, 92728), (173, 77720), (232, 57955), (268, 50170), (290, 46364), (335, 40136), (346, 38860), (536, 25085), (580, 23182), (670, 20068), (692, 19430), (865, 15544), (1160, 11591), (1340, 10034), (1384, 9715), (1730, 7772), (1943, 6920), (2680, 5017), (3460, 3886)]