8766880

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 20903400

約数和(自身を除く): 12136520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 349, 628, 698, 785, 1256, 1396, 1570, 1745, 2512, 2792, 3140, 3490, 5024, 5584, 6280, 6980, 11168, 12560, 13960, 25120, 27920, 54793, 55840, 109586, 219172, 273965, 438344, 547930, 876688, 1095860, 1753376, 2191720, 4383440, 8766880]

約数ペア:

[(1, 8766880), (2, 4383440), (4, 2191720), (5, 1753376), (8, 1095860), (10, 876688), (16, 547930), (20, 438344), (32, 273965), (40, 219172), (80, 109586), (157, 55840), (160, 54793), (314, 27920), (349, 25120), (628, 13960), (698, 12560), (785, 11168), (1256, 6980), (1396, 6280), (1570, 5584), (1745, 5024), (2512, 3490), (2792, 3140)]