13960040

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1327}}^1$

素因数の和:1601

約数の個数: 32

約数和(自身を含む): 31553280

約数和(自身を除く): 17593240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 1327, 2104, 2630, 2654, 5260, 5308, 6635, 10520, 10616, 13270, 26540, 53080, 349001, 698002, 1396004, 1745005, 2792008, 3490010, 6980020, 13960040]

約数ペア:

[(1, 13960040), (2, 6980020), (4, 3490010), (5, 2792008), (8, 1745005), (10, 1396004), (20, 698002), (40, 349001), (263, 53080), (526, 26540), (1052, 13270), (1315, 10616), (1327, 10520), (2104, 6635), (2630, 5308), (2654, 5260)]