81753230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{1117}}^1$

素因数の和:1700

約数の個数: 32

約数和(自身を含む): 158899104

約数和(自身を除く): 77145874

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 563, 1117, 1126, 2234, 2815, 5585, 5630, 7319, 11170, 14521, 14638, 29042, 36595, 72605, 73190, 145210, 628871, 1257742, 3144355, 6288710, 8175323, 16350646, 40876615, 81753230]

約数ペア:

[(1, 81753230), (2, 40876615), (5, 16350646), (10, 8175323), (13, 6288710), (26, 3144355), (65, 1257742), (130, 628871), (563, 145210), (1117, 73190), (1126, 72605), (2234, 36595), (2815, 29042), (5585, 14638), (5630, 14521), (7319, 11170)]