49905280

素因数分解:

$2^7\times 5^1\times {\mathrm{77977}}^1$

素因数の和:77996

約数の個数: 32

約数和(自身を含む): 119306340

約数和(自身を除く): 69401060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 77977, 155954, 311908, 389885, 623816, 779770, 1247632, 1559540, 2495264, 3119080, 4990528, 6238160, 9981056, 12476320, 24952640, 49905280]

約数ペア:

[(1, 49905280), (2, 24952640), (4, 12476320), (5, 9981056), (8, 6238160), (10, 4990528), (16, 3119080), (20, 2495264), (32, 1559540), (40, 1247632), (64, 779770), (80, 623816), (128, 389885), (160, 311908), (320, 155954), (640, 77977)]