54799280

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4363}}^1$

素因数の和:4533

約数の個数: 40

約数和(自身を含む): 128249232

約数和(自身を除く): 73449952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 4363, 6280, 8726, 12560, 17452, 21815, 34904, 43630, 69808, 87260, 174520, 349040, 684991, 1369982, 2739964, 3424955, 5479928, 6849910, 10959856, 13699820, 27399640, 54799280]

約数ペア:

[(1, 54799280), (2, 27399640), (4, 13699820), (5, 10959856), (8, 6849910), (10, 5479928), (16, 3424955), (20, 2739964), (40, 1369982), (80, 684991), (157, 349040), (314, 174520), (628, 87260), (785, 69808), (1256, 43630), (1570, 34904), (2512, 21815), (3140, 17452), (4363, 12560), (6280, 8726)]