25420160

素因数分解:

$2^7\times 5^1\times {\mathrm{39719}}^1$

素因数の和:39738

約数の個数: 32

約数和(自身を含む): 60771600

約数和(自身を除く): 35351440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 39719, 79438, 158876, 198595, 317752, 397190, 635504, 794380, 1271008, 1588760, 2542016, 3177520, 5084032, 6355040, 12710080, 25420160]

約数ペア:

[(1, 25420160), (2, 12710080), (4, 6355040), (5, 5084032), (8, 3177520), (10, 2542016), (16, 1588760), (20, 1271008), (32, 794380), (40, 635504), (64, 397190), (80, 317752), (128, 198595), (160, 158876), (320, 79438), (640, 39719)]