25908020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2351}}^1$

素因数の和:2408

約数の個数: 48

約数和(自身を含む): 59270400

約数和(自身を除く): 33362380

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2351, 2755, 4702, 5510, 9404, 11020, 11755, 23510, 44669, 47020, 68179, 89338, 136358, 178676, 223345, 272716, 340895, 446690, 681790, 893380, 1295401, 1363580, 2590802, 5181604, 6477005, 12954010, 25908020]

約数ペア:

[(1, 25908020), (2, 12954010), (4, 6477005), (5, 5181604), (10, 2590802), (19, 1363580), (20, 1295401), (29, 893380), (38, 681790), (58, 446690), (76, 340895), (95, 272716), (116, 223345), (145, 178676), (190, 136358), (290, 89338), (380, 68179), (551, 47020), (580, 44669), (1102, 23510), (2204, 11755), (2351, 11020), (2755, 9404), (4702, 5510)]