90968480

素因数分解:

$2^5\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1117}}^1$

素因数の和:1641

約数の個数: 48

約数和(自身を含む): 215528040

約数和(自身を除く): 124559560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 509, 1018, 1117, 2036, 2234, 2545, 4072, 4468, 5090, 5585, 8144, 8936, 10180, 11170, 16288, 17872, 20360, 22340, 35744, 40720, 44680, 81440, 89360, 178720, 568553, 1137106, 2274212, 2842765, 4548424, 5685530, 9096848, 11371060, 18193696, 22742120, 45484240, 90968480]

約数ペア:

[(1, 90968480), (2, 45484240), (4, 22742120), (5, 18193696), (8, 11371060), (10, 9096848), (16, 5685530), (20, 4548424), (32, 2842765), (40, 2274212), (80, 1137106), (160, 568553), (509, 178720), (1018, 89360), (1117, 81440), (2036, 44680), (2234, 40720), (2545, 35744), (4072, 22340), (4468, 20360), (5090, 17872), (5585, 16288), (8144, 11170), (8936, 10180)]