1409920

素因数分解:

$2^7\times 5^1\times {\mathrm{2203}}^1$

素因数の和:2222

約数の個数: 32

約数和(自身を含む): 3372120

約数和(自身を除く): 1962200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2203, 4406, 8812, 11015, 17624, 22030, 35248, 44060, 70496, 88120, 140992, 176240, 281984, 352480, 704960, 1409920]

約数ペア:

[(1, 1409920), (2, 704960), (4, 352480), (5, 281984), (8, 176240), (10, 140992), (16, 88120), (20, 70496), (32, 44060), (40, 35248), (64, 22030), (80, 17624), (128, 11015), (160, 8812), (320, 4406), (640, 2203)]