27399640

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4363}}^1$

素因数の和:4531

約数の個数: 32

約数和(自身を含む): 62056080

約数和(自身を除く): 34656440

約数列:

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

約数ペア:

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