118821040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2657}}^1$

素因数の和:2726

約数の個数: 80

約数和(自身を含む): 304543008

約数和(自身を除く): 185721968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 2236, 2657, 2795, 3440, 4472, 5314, 5590, 8944, 10628, 11180, 13285, 21256, 22360, 26570, 34541, 42512, 44720, 53140, 69082, 106280, 114251, 138164, 172705, 212560, 228502, 276328, 345410, 457004, 552656, 571255, 690820, 914008, 1142510, 1381640, 1485263, 1828016, 2285020, 2763280, 2970526, 4570040, 5941052, 7426315, 9140080, 11882104, 14852630, 23764208, 29705260, 59410520, 118821040]

約数ペア:

[(1, 118821040), (2, 59410520), (4, 29705260), (5, 23764208), (8, 14852630), (10, 11882104), (13, 9140080), (16, 7426315), (20, 5941052), (26, 4570040), (40, 2970526), (43, 2763280), (52, 2285020), (65, 1828016), (80, 1485263), (86, 1381640), (104, 1142510), (130, 914008), (172, 690820), (208, 571255), (215, 552656), (260, 457004), (344, 345410), (430, 276328), (520, 228502), (559, 212560), (688, 172705), (860, 138164), (1040, 114251), (1118, 106280), (1720, 69082), (2236, 53140), (2657, 44720), (2795, 42512), (3440, 34541), (4472, 26570), (5314, 22360), (5590, 21256), (8944, 13285), (10628, 11180)]