11381240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 28274400

約数和(自身を除く): 16893160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 509, 520, 559, 860, 1018, 1118, 1720, 2036, 2236, 2545, 2795, 4072, 4472, 5090, 5590, 6617, 10180, 11180, 13234, 20360, 21887, 22360, 26468, 33085, 43774, 52936, 66170, 87548, 109435, 132340, 175096, 218870, 264680, 284531, 437740, 569062, 875480, 1138124, 1422655, 2276248, 2845310, 5690620, 11381240]

約数ペア:

[(1, 11381240), (2, 5690620), (4, 2845310), (5, 2276248), (8, 1422655), (10, 1138124), (13, 875480), (20, 569062), (26, 437740), (40, 284531), (43, 264680), (52, 218870), (65, 175096), (86, 132340), (104, 109435), (130, 87548), (172, 66170), (215, 52936), (260, 43774), (344, 33085), (430, 26468), (509, 22360), (520, 21887), (559, 20360), (860, 13234), (1018, 11180), (1118, 10180), (1720, 6617), (2036, 5590), (2236, 5090), (2545, 4472), (2795, 4072)]