80851030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1987}}^1$

素因数の和:2320

約数の個数: 32

約数和(自身を含む): 157306464

約数和(自身を除く): 76455434

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 313, 626, 1565, 1987, 3130, 3974, 4069, 8138, 9935, 19870, 20345, 25831, 40690, 51662, 129155, 258310, 621931, 1243862, 3109655, 6219310, 8085103, 16170206, 40425515, 80851030]

約数ペア:

[(1, 80851030), (2, 40425515), (5, 16170206), (10, 8085103), (13, 6219310), (26, 3109655), (65, 1243862), (130, 621931), (313, 258310), (626, 129155), (1565, 51662), (1987, 40690), (3130, 25831), (3974, 20345), (4069, 19870), (8138, 9935)]