25512640

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1307}}^1$

素因数の和:1385

約数の個数: 56

約数和(自身を含む): 61795152

約数和(自身を除く): 36282512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1307, 1952, 2440, 2614, 3904, 4880, 5228, 6535, 9760, 10456, 13070, 19520, 20912, 26140, 41824, 52280, 79727, 83648, 104560, 159454, 209120, 318908, 398635, 418240, 637816, 797270, 1275632, 1594540, 2551264, 3189080, 5102528, 6378160, 12756320, 25512640]

約数ペア:

[(1, 25512640), (2, 12756320), (4, 6378160), (5, 5102528), (8, 3189080), (10, 2551264), (16, 1594540), (20, 1275632), (32, 797270), (40, 637816), (61, 418240), (64, 398635), (80, 318908), (122, 209120), (160, 159454), (244, 104560), (305, 83648), (320, 79727), (488, 52280), (610, 41824), (976, 26140), (1220, 20912), (1307, 19520), (1952, 13070), (2440, 10456), (2614, 9760), (3904, 6535), (4880, 5228)]