8045136760

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{304279}}^1$

素因数の和:304951

約数の個数: 32

約数和(自身を含む): 18129002400

約数和(自身を除く): 10083865640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2644, 3305, 5288, 6610, 13220, 26440, 304279, 608558, 1217116, 1521395, 2434232, 3042790, 6085580, 12171160, 201128419, 402256838, 804513676, 1005642095, 1609027352, 2011284190, 4022568380, 8045136760]

約数ペア:

[(1, 8045136760), (2, 4022568380), (4, 2011284190), (5, 1609027352), (8, 1005642095), (10, 804513676), (20, 402256838), (40, 201128419), (661, 12171160), (1322, 6085580), (2644, 3042790), (3305, 2434232), (5288, 1521395), (6610, 1217116), (13220, 608558), (26440, 304279)]