4439440

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:487

約数の個数: 40

約数和(自身を含む): 10410048

約数和(自身を除く): 5970608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 263, 422, 526, 844, 1052, 1055, 1315, 1688, 2104, 2110, 2630, 3376, 4208, 4220, 5260, 8440, 10520, 16880, 21040, 55493, 110986, 221972, 277465, 443944, 554930, 887888, 1109860, 2219720, 4439440]

約数ペア:

[(1, 4439440), (2, 2219720), (4, 1109860), (5, 887888), (8, 554930), (10, 443944), (16, 277465), (20, 221972), (40, 110986), (80, 55493), (211, 21040), (263, 16880), (422, 10520), (526, 8440), (844, 5260), (1052, 4220), (1055, 4208), (1315, 3376), (1688, 2630), (2104, 2110)]