28130560

素因数分解:

$2^8\times 5^1\times {\mathrm{21977}}^1$

素因数の和:21998

約数の個数: 36

約数和(自身を含む): 67384548

約数和(自身を除く): 39253988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 21977, 43954, 87908, 109885, 175816, 219770, 351632, 439540, 703264, 879080, 1406528, 1758160, 2813056, 3516320, 5626112, 7032640, 14065280, 28130560]

約数ペア:

[(1, 28130560), (2, 14065280), (4, 7032640), (5, 5626112), (8, 3516320), (10, 2813056), (16, 1758160), (20, 1406528), (32, 879080), (40, 703264), (64, 439540), (80, 351632), (128, 219770), (160, 175816), (256, 109885), (320, 87908), (640, 43954), (1280, 21977)]