2497720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1523}}^1$

素因数の和:1575

約数の個数: 32

約数和(自身を含む): 5760720

約数和(自身を除く): 3263000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1523, 1640, 3046, 6092, 7615, 12184, 15230, 30460, 60920, 62443, 124886, 249772, 312215, 499544, 624430, 1248860, 2497720]

約数ペア:

[(1, 2497720), (2, 1248860), (4, 624430), (5, 499544), (8, 312215), (10, 249772), (20, 124886), (40, 62443), (41, 60920), (82, 30460), (164, 15230), (205, 12184), (328, 7615), (410, 6092), (820, 3046), (1523, 1640)]