242560

素因数分解:

$2^7\times 5^1\times {\mathrm{379}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 581400

約数和(自身を除く): 338840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 379, 640, 758, 1516, 1895, 3032, 3790, 6064, 7580, 12128, 15160, 24256, 30320, 48512, 60640, 121280, 242560]

約数ペア:

[(1, 242560), (2, 121280), (4, 60640), (5, 48512), (8, 30320), (10, 24256), (16, 15160), (20, 12128), (32, 7580), (40, 6064), (64, 3790), (80, 3032), (128, 1895), (160, 1516), (320, 758), (379, 640)]