25402005

素因数分解:

$3^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 48176640

約数和(自身を除く): 22774635

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 101, 115, 135, 207, 243, 303, 345, 405, 505, 621, 729, 909, 1035, 1215, 1515, 1863, 2187, 2323, 2727, 3105, 3645, 4545, 5589, 6969, 8181, 9315, 10935, 11615, 13635, 16767, 20907, 24543, 27945, 34845, 40905, 50301, 62721, 73629, 83835, 104535, 122715, 188163, 220887, 251505, 313605, 368145, 564489, 940815, 1104435, 1693467, 2822445, 5080401, 8467335, 25402005]

約数ペア:

[(1, 25402005), (3, 8467335), (5, 5080401), (9, 2822445), (15, 1693467), (23, 1104435), (27, 940815), (45, 564489), (69, 368145), (81, 313605), (101, 251505), (115, 220887), (135, 188163), (207, 122715), (243, 104535), (303, 83835), (345, 73629), (405, 62721), (505, 50301), (621, 40905), (729, 34845), (909, 27945), (1035, 24543), (1215, 20907), (1515, 16767), (1863, 13635), (2187, 11615), (2323, 10935), (2727, 9315), (3105, 8181), (3645, 6969), (4545, 5589)]