128256.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10613}}^1$

素因数の和:10651

約数の個数: 24

約数和(自身を含む): 13373640

約数和(自身を除く): 7218100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 10613, 21226, 42452, 53065, 106130, 212260, 307777, 615554, 1231108, 1538885, 3077770, 6155540]

約数ペア:

[(1, 6155540), (2, 3077770), (4, 1538885), (5, 1231108), (10, 615554), (20, 307777), (29, 212260), (58, 106130), (116, 53065), (145, 42452), (290, 21226), (580, 10613)]