25227895

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:101

約数の個数: 72

約数和(自身を含む): 41483232

約数和(自身を除く): 16255337

約数列:

[1, 5, 7, 11, 23, 35, 37, 49, 55, 77, 115, 121, 161, 185, 245, 253, 259, 385, 407, 539, 605, 805, 847, 851, 1127, 1265, 1295, 1771, 1813, 2035, 2695, 2783, 2849, 4235, 4255, 4477, 5635, 5929, 5957, 8855, 9065, 9361, 12397, 13915, 14245, 19481, 19943, 22385, 29645, 29785, 31339, 41699, 46805, 61985, 65527, 97405, 99715, 102971, 136367, 156695, 208495, 219373, 327635, 458689, 514855, 681835, 720797, 1096865, 2293445, 3603985, 5045579, 25227895]

約数ペア:

[(1, 25227895), (5, 5045579), (7, 3603985), (11, 2293445), (23, 1096865), (35, 720797), (37, 681835), (49, 514855), (55, 458689), (77, 327635), (115, 219373), (121, 208495), (161, 156695), (185, 136367), (245, 102971), (253, 99715), (259, 97405), (385, 65527), (407, 61985), (539, 46805), (605, 41699), (805, 31339), (847, 29785), (851, 29645), (1127, 22385), (1265, 19943), (1295, 19481), (1771, 14245), (1813, 13915), (2035, 12397), (2695, 9361), (2783, 9065), (2849, 8855), (4235, 5957), (4255, 5929), (4477, 5635)]