40999984

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2591}}^1$

素因数の和:2665

約数の個数: 40

約数和(自身を含む): 84851712

約数和(自身を除く): 43851728

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1978, 2591, 3956, 5182, 7912, 10364, 15824, 20728, 41456, 59593, 111413, 119186, 222826, 238372, 445652, 476744, 891304, 953488, 1782608, 2562499, 5124998, 10249996, 20499992, 40999984]

約数ペア:

[(1, 40999984), (2, 20499992), (4, 10249996), (8, 5124998), (16, 2562499), (23, 1782608), (43, 953488), (46, 891304), (86, 476744), (92, 445652), (172, 238372), (184, 222826), (344, 119186), (368, 111413), (688, 59593), (989, 41456), (1978, 20728), (2591, 15824), (3956, 10364), (5182, 7912)]