39995605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{8429}}^1$

素因数の和:8520

約数の個数: 16

約数和(自身を含む): 52400880

約数和(自身を除く): 12405275

約数列:

[1, 5, 13, 65, 73, 365, 949, 4745, 8429, 42145, 109577, 547885, 615317, 3076585, 7999121, 39995605]

約数ペア:

[(1, 39995605), (5, 7999121), (13, 3076585), (65, 615317), (73, 547885), (365, 109577), (949, 42145), (4745, 8429)]