25175680

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 60832800

約数和(自身を除く): 35657120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 283, 320, 556, 566, 640, 695, 1112, 1132, 1390, 1415, 2224, 2264, 2780, 2830, 4448, 4528, 5560, 5660, 8896, 9056, 11120, 11320, 17792, 18112, 22240, 22640, 36224, 39337, 44480, 45280, 78674, 88960, 90560, 157348, 181120, 196685, 314696, 393370, 629392, 786740, 1258784, 1573480, 2517568, 3146960, 5035136, 6293920, 12587840, 25175680]

約数ペア:

[(1, 25175680), (2, 12587840), (4, 6293920), (5, 5035136), (8, 3146960), (10, 2517568), (16, 1573480), (20, 1258784), (32, 786740), (40, 629392), (64, 393370), (80, 314696), (128, 196685), (139, 181120), (160, 157348), (278, 90560), (283, 88960), (320, 78674), (556, 45280), (566, 44480), (640, 39337), (695, 36224), (1112, 22640), (1132, 22240), (1390, 18112), (1415, 17792), (2224, 11320), (2264, 11120), (2780, 9056), (2830, 8896), (4448, 5660), (4528, 5560)]