81095170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1993}}^1$

素因数の和:2326

約数の個数: 32

約数和(自身を含む): 157781232

約数和(自身を除く): 76686062

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 313, 626, 1565, 1993, 3130, 3986, 4069, 8138, 9965, 19930, 20345, 25909, 40690, 51818, 129545, 259090, 623809, 1247618, 3119045, 6238090, 8109517, 16219034, 40547585, 81095170]

約数ペア:

[(1, 81095170), (2, 40547585), (5, 16219034), (10, 8109517), (13, 6238090), (26, 3119045), (65, 1247618), (130, 623809), (313, 259090), (626, 129545), (1565, 51818), (1993, 40690), (3130, 25909), (3986, 20345), (4069, 19930), (8138, 9965)]