4441040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1291}}^1$

素因数の和:1347

約数の個数: 40

約数和(自身を含む): 10573728

約数和(自身を除く): 6132688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1291, 1720, 2582, 3440, 5164, 6455, 10328, 12910, 20656, 25820, 51640, 55513, 103280, 111026, 222052, 277565, 444104, 555130, 888208, 1110260, 2220520, 4441040]

約数ペア:

[(1, 4441040), (2, 2220520), (4, 1110260), (5, 888208), (8, 555130), (10, 444104), (16, 277565), (20, 222052), (40, 111026), (43, 103280), (80, 55513), (86, 51640), (172, 25820), (215, 20656), (344, 12910), (430, 10328), (688, 6455), (860, 5164), (1291, 3440), (1720, 2582)]