2478040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1511}}^1$

素因数の和:1563

約数の個数: 32

約数和(自身を含む): 5715360

約数和(自身を除く): 3237320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1511, 1640, 3022, 6044, 7555, 12088, 15110, 30220, 60440, 61951, 123902, 247804, 309755, 495608, 619510, 1239020, 2478040]

約数ペア:

[(1, 2478040), (2, 1239020), (4, 619510), (5, 495608), (8, 309755), (10, 247804), (20, 123902), (40, 61951), (41, 60440), (82, 30220), (164, 15110), (205, 12088), (328, 7555), (410, 6044), (820, 3022), (1511, 1640)]