28722560

素因数分解:

$2^7\times 5^1\times {\mathrm{44879}}^1$

素因数の和:44898

約数の個数: 32

約数和(自身を含む): 68666400

約数和(自身を除く): 39943840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 44879, 89758, 179516, 224395, 359032, 448790, 718064, 897580, 1436128, 1795160, 2872256, 3590320, 5744512, 7180640, 14361280, 28722560]

約数ペア:

[(1, 28722560), (2, 14361280), (4, 7180640), (5, 5744512), (8, 3590320), (10, 2872256), (16, 1795160), (20, 1436128), (32, 897580), (40, 718064), (64, 448790), (80, 359032), (128, 224395), (160, 179516), (320, 89758), (640, 44879)]