2105720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{863}}^1$

素因数の和:935

約数の個数: 32

約数和(自身を含む): 4821120

約数和(自身を除く): 2715400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 863, 1220, 1726, 2440, 3452, 4315, 6904, 8630, 17260, 34520, 52643, 105286, 210572, 263215, 421144, 526430, 1052860, 2105720]

約数ペア:

[(1, 2105720), (2, 1052860), (4, 526430), (5, 421144), (8, 263215), (10, 210572), (20, 105286), (40, 52643), (61, 34520), (122, 17260), (244, 8630), (305, 6904), (488, 4315), (610, 3452), (863, 2440), (1220, 1726)]