13027820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 29846880

約数和(自身を除く): 16819060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 563, 890, 1126, 1157, 1780, 2252, 2314, 2815, 4628, 5630, 5785, 7319, 11260, 11570, 14638, 23140, 29276, 36595, 50107, 73190, 100214, 146380, 200428, 250535, 501070, 651391, 1002140, 1302782, 2605564, 3256955, 6513910, 13027820]

約数ペア:

[(1, 13027820), (2, 6513910), (4, 3256955), (5, 2605564), (10, 1302782), (13, 1002140), (20, 651391), (26, 501070), (52, 250535), (65, 200428), (89, 146380), (130, 100214), (178, 73190), (260, 50107), (356, 36595), (445, 29276), (563, 23140), (890, 14638), (1126, 11570), (1157, 11260), (1780, 7319), (2252, 5785), (2314, 5630), (2815, 4628)]