28198400

素因数分解:

$2^9\times 5^2\times {\mathrm{2203}}^1$

素因数の和:2231

約数の個数: 60

約数和(自身を含む): 69895452

約数和(自身を除く): 41697052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2203, 2560, 3200, 4406, 6400, 8812, 11015, 12800, 17624, 22030, 35248, 44060, 55075, 70496, 88120, 110150, 140992, 176240, 220300, 281984, 352480, 440600, 563968, 704960, 881200, 1127936, 1409920, 1762400, 2819840, 3524800, 5639680, 7049600, 14099200, 28198400]

約数ペア:

[(1, 28198400), (2, 14099200), (4, 7049600), (5, 5639680), (8, 3524800), (10, 2819840), (16, 1762400), (20, 1409920), (25, 1127936), (32, 881200), (40, 704960), (50, 563968), (64, 440600), (80, 352480), (100, 281984), (128, 220300), (160, 176240), (200, 140992), (256, 110150), (320, 88120), (400, 70496), (512, 55075), (640, 44060), (800, 35248), (1280, 22030), (1600, 17624), (2203, 12800), (2560, 11015), (3200, 8812), (4406, 6400)]