38497940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{563}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 87550848

約数和(自身を除く): 49052908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 526, 563, 1052, 1126, 1315, 2252, 2630, 2815, 3419, 5260, 5630, 6838, 7319, 11260, 13676, 14638, 17095, 29276, 34190, 36595, 68380, 73190, 146380, 148069, 296138, 592276, 740345, 1480690, 1924897, 2961380, 3849794, 7699588, 9624485, 19248970, 38497940]

約数ペア:

[(1, 38497940), (2, 19248970), (4, 9624485), (5, 7699588), (10, 3849794), (13, 2961380), (20, 1924897), (26, 1480690), (52, 740345), (65, 592276), (130, 296138), (260, 148069), (263, 146380), (526, 73190), (563, 68380), (1052, 36595), (1126, 34190), (1315, 29276), (2252, 17095), (2630, 14638), (2815, 13676), (3419, 11260), (5260, 7319), (5630, 6838)]