2561650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1$

素因数の和:595

約数の個数: 48

約数和(自身を含む): 5874624

約数和(自身を除く): 3312974

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 563, 650, 910, 1126, 2275, 2815, 3941, 4550, 5630, 7319, 7882, 14075, 14638, 19705, 28150, 36595, 39410, 51233, 73190, 98525, 102466, 182975, 197050, 256165, 365950, 512330, 1280825, 2561650]

約数ペア:

[(1, 2561650), (2, 1280825), (5, 512330), (7, 365950), (10, 256165), (13, 197050), (14, 182975), (25, 102466), (26, 98525), (35, 73190), (50, 51233), (65, 39410), (70, 36595), (91, 28150), (130, 19705), (175, 14638), (182, 14075), (325, 7882), (350, 7319), (455, 5630), (563, 4550), (650, 3941), (910, 2815), (1126, 2275)]