57280640

素因数分解:

$2^7\times 5^1\times {\mathrm{89501}}^1$

素因数の和:89520

約数の個数: 32

約数和(自身を含む): 136938060

約数和(自身を除く): 79657420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 89501, 179002, 358004, 447505, 716008, 895010, 1432016, 1790020, 2864032, 3580040, 5728064, 7160080, 11456128, 14320160, 28640320, 57280640]

約数ペア:

[(1, 57280640), (2, 28640320), (4, 14320160), (5, 11456128), (8, 7160080), (10, 5728064), (16, 3580040), (20, 2864032), (32, 1790020), (40, 1432016), (64, 895010), (80, 716008), (128, 447505), (160, 358004), (320, 179002), (640, 89501)]