11747720

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{577}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 26530200

約数和(自身を除く): 14782480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 577, 1018, 1154, 2036, 2308, 2545, 2885, 4072, 4616, 5090, 5770, 10180, 11540, 20360, 23080, 293693, 587386, 1174772, 1468465, 2349544, 2936930, 5873860, 11747720]

約数ペア:

[(1, 11747720), (2, 5873860), (4, 2936930), (5, 2349544), (8, 1468465), (10, 1174772), (20, 587386), (40, 293693), (509, 23080), (577, 20360), (1018, 11540), (1154, 10180), (2036, 5770), (2308, 5090), (2545, 4616), (2885, 4072)]