22195840

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 53856000

約数和(自身を除く): 31660160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 439, 632, 640, 790, 878, 1264, 1580, 1756, 2195, 2528, 3160, 3512, 4390, 5056, 6320, 7024, 8780, 10112, 12640, 14048, 17560, 25280, 28096, 34681, 35120, 50560, 56192, 69362, 70240, 138724, 140480, 173405, 277448, 280960, 346810, 554896, 693620, 1109792, 1387240, 2219584, 2774480, 4439168, 5548960, 11097920, 22195840]

約数ペア:

[(1, 22195840), (2, 11097920), (4, 5548960), (5, 4439168), (8, 2774480), (10, 2219584), (16, 1387240), (20, 1109792), (32, 693620), (40, 554896), (64, 346810), (79, 280960), (80, 277448), (128, 173405), (158, 140480), (160, 138724), (316, 70240), (320, 69362), (395, 56192), (439, 50560), (632, 35120), (640, 34681), (790, 28096), (878, 25280), (1264, 17560), (1580, 14048), (1756, 12640), (2195, 10112), (2528, 8780), (3160, 7024), (3512, 6320), (4390, 5056)]