26396000

素因数分解:

$2^5\times 5^3\times {\mathrm{6599}}^1$

素因数の和:6624

約数の個数: 48

約数和(自身を含む): 64864800

約数和(自身を除く): 38468800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 6599, 13198, 26396, 32995, 52792, 65990, 105584, 131980, 164975, 211168, 263960, 329950, 527920, 659900, 824875, 1055840, 1319800, 1649750, 2639600, 3299500, 5279200, 6599000, 13198000, 26396000]

約数ペア:

[(1, 26396000), (2, 13198000), (4, 6599000), (5, 5279200), (8, 3299500), (10, 2639600), (16, 1649750), (20, 1319800), (25, 1055840), (32, 824875), (40, 659900), (50, 527920), (80, 329950), (100, 263960), (125, 211168), (160, 164975), (200, 131980), (250, 105584), (400, 65990), (500, 52792), (800, 32995), (1000, 26396), (2000, 13198), (4000, 6599)]