49021720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2591}}^1$

素因数の和:2656

約数の個数: 64

約数和(自身を含む): 123171840

約数和(自身を除く): 74150120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 2591, 3784, 4730, 5182, 9460, 10364, 12955, 18920, 20728, 25910, 28501, 51820, 57002, 103640, 111413, 114004, 142505, 222826, 228008, 285010, 445652, 557065, 570020, 891304, 1114130, 1140040, 1225543, 2228260, 2451086, 4456520, 4902172, 6127715, 9804344, 12255430, 24510860, 49021720]

約数ペア:

[(1, 49021720), (2, 24510860), (4, 12255430), (5, 9804344), (8, 6127715), (10, 4902172), (11, 4456520), (20, 2451086), (22, 2228260), (40, 1225543), (43, 1140040), (44, 1114130), (55, 891304), (86, 570020), (88, 557065), (110, 445652), (172, 285010), (215, 228008), (220, 222826), (344, 142505), (430, 114004), (440, 111413), (473, 103640), (860, 57002), (946, 51820), (1720, 28501), (1892, 25910), (2365, 20728), (2591, 18920), (3784, 12955), (4730, 10364), (5182, 9460)]