25395260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1297}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 58877280

約数和(自身を除く): 33482020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1297, 1780, 1958, 2594, 3916, 4895, 5188, 6485, 9790, 12970, 14267, 19580, 25940, 28534, 57068, 71335, 115433, 142670, 230866, 285340, 461732, 577165, 1154330, 1269763, 2308660, 2539526, 5079052, 6348815, 12697630, 25395260]

約数ペア:

[(1, 25395260), (2, 12697630), (4, 6348815), (5, 5079052), (10, 2539526), (11, 2308660), (20, 1269763), (22, 1154330), (44, 577165), (55, 461732), (89, 285340), (110, 230866), (178, 142670), (220, 115433), (356, 71335), (445, 57068), (890, 28534), (979, 25940), (1297, 19580), (1780, 14267), (1958, 12970), (2594, 9790), (3916, 6485), (4895, 5188)]