166915060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641981}}^1$

素因数の和:642003

約数の個数: 24

約数和(自身を含む): 377485416

約数和(自身を除く): 210570356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 641981, 1283962, 2567924, 3209905, 6419810, 8345753, 12839620, 16691506, 33383012, 41728765, 83457530, 166915060]

約数ペア:

[(1, 166915060), (2, 83457530), (4, 41728765), (5, 33383012), (10, 16691506), (13, 12839620), (20, 8345753), (26, 6419810), (52, 3209905), (65, 2567924), (130, 1283962), (260, 641981)]