25413760

素因数分解:

$2^7\times 5^1\times {\mathrm{39709}}^1$

素因数の和:39728

約数の個数: 32

約数和(自身を含む): 60756300

約数和(自身を除く): 35342540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 39709, 79418, 158836, 198545, 317672, 397090, 635344, 794180, 1270688, 1588360, 2541376, 3176720, 5082752, 6353440, 12706880, 25413760]

約数ペア:

[(1, 25413760), (2, 12706880), (4, 6353440), (5, 5082752), (8, 3176720), (10, 2541376), (16, 1588360), (20, 1270688), (32, 794180), (40, 635344), (64, 397090), (80, 317672), (128, 198545), (160, 158836), (320, 79418), (640, 39709)]