25597325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 37403856

約数和(自身を除く): 11806531

約数列:

[1, 5, 13, 17, 25, 41, 65, 85, 113, 205, 221, 325, 425, 533, 565, 697, 1025, 1105, 1469, 1921, 2665, 2825, 3485, 4633, 5525, 7345, 9061, 9605, 13325, 17425, 23165, 24973, 36725, 45305, 48025, 60229, 78761, 115825, 124865, 226525, 301145, 393805, 624325, 1023893, 1505725, 1969025, 5119465, 25597325]

約数ペア:

[(1, 25597325), (5, 5119465), (13, 1969025), (17, 1505725), (25, 1023893), (41, 624325), (65, 393805), (85, 301145), (113, 226525), (205, 124865), (221, 115825), (325, 78761), (425, 60229), (533, 48025), (565, 45305), (697, 36725), (1025, 24973), (1105, 23165), (1469, 17425), (1921, 13325), (2665, 9605), (2825, 9061), (3485, 7345), (4633, 5525)]