25181216

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1129}}^1$

素因数の和:1197

約数の個数: 48

約数和(自身を含む): 53819640

約数和(自身を除く): 28638424

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 68, 82, 136, 164, 272, 328, 544, 656, 697, 1129, 1312, 1394, 2258, 2788, 4516, 5576, 9032, 11152, 18064, 19193, 22304, 36128, 38386, 46289, 76772, 92578, 153544, 185156, 307088, 370312, 614176, 740624, 786913, 1481248, 1573826, 3147652, 6295304, 12590608, 25181216]

約数ペア:

[(1, 25181216), (2, 12590608), (4, 6295304), (8, 3147652), (16, 1573826), (17, 1481248), (32, 786913), (34, 740624), (41, 614176), (68, 370312), (82, 307088), (136, 185156), (164, 153544), (272, 92578), (328, 76772), (544, 46289), (656, 38386), (697, 36128), (1129, 22304), (1312, 19193), (1394, 18064), (2258, 11152), (2788, 9032), (4516, 5576)]