25698475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 38568960

約数和(自身を除く): 12870485

約数列:

[1, 5, 11, 17, 23, 25, 55, 85, 115, 187, 239, 253, 275, 391, 425, 575, 935, 1195, 1265, 1955, 2629, 4063, 4301, 4675, 5497, 5975, 6325, 9775, 13145, 20315, 21505, 27485, 44693, 60467, 65725, 93449, 101575, 107525, 137425, 223465, 302335, 467245, 1027939, 1117325, 1511675, 2336225, 5139695, 25698475]

約数ペア:

[(1, 25698475), (5, 5139695), (11, 2336225), (17, 1511675), (23, 1117325), (25, 1027939), (55, 467245), (85, 302335), (115, 223465), (187, 137425), (239, 107525), (253, 101575), (275, 93449), (391, 65725), (425, 60467), (575, 44693), (935, 27485), (1195, 21505), (1265, 20315), (1955, 13145), (2629, 9775), (4063, 6325), (4301, 5975), (4675, 5497)]