12897920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{2879}}^1$

素因数の和:2905

約数の個数: 64

約数和(自身を含む): 35251200

約数和(自身を除く): 22353280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 2879, 4480, 5758, 11516, 14395, 20153, 23032, 28790, 40306, 46064, 57580, 80612, 92128, 100765, 115160, 161224, 184256, 201530, 230320, 322448, 368512, 403060, 460640, 644896, 806120, 921280, 1289792, 1612240, 1842560, 2579584, 3224480, 6448960, 12897920]

約数ペア:

[(1, 12897920), (2, 6448960), (4, 3224480), (5, 2579584), (7, 1842560), (8, 1612240), (10, 1289792), (14, 921280), (16, 806120), (20, 644896), (28, 460640), (32, 403060), (35, 368512), (40, 322448), (56, 230320), (64, 201530), (70, 184256), (80, 161224), (112, 115160), (128, 100765), (140, 92128), (160, 80612), (224, 57580), (280, 46064), (320, 40306), (448, 28790), (560, 23032), (640, 20153), (896, 14395), (1120, 11516), (2240, 5758), (2879, 4480)]