8878880

素因数分解:

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

素因数の和:489

約数の個数: 48

約数和(自身を含む): 21155904

約数和(自身を除く): 12277024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 263, 422, 526, 844, 1052, 1055, 1315, 1688, 2104, 2110, 2630, 3376, 4208, 4220, 5260, 6752, 8416, 8440, 10520, 16880, 21040, 33760, 42080, 55493, 110986, 221972, 277465, 443944, 554930, 887888, 1109860, 1775776, 2219720, 4439440, 8878880]

約数ペア:

[(1, 8878880), (2, 4439440), (4, 2219720), (5, 1775776), (8, 1109860), (10, 887888), (16, 554930), (20, 443944), (32, 277465), (40, 221972), (80, 110986), (160, 55493), (211, 42080), (263, 33760), (422, 21040), (526, 16880), (844, 10520), (1052, 8440), (1055, 8416), (1315, 6752), (1688, 5260), (2104, 4220), (2110, 4208), (2630, 3376)]