65787820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20431}}^1$

素因数の和:20470

約数の個数: 48

約数和(自身を含む): 164763648

約数和(自身を除く): 98975828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 20431, 40862, 81724, 102155, 143017, 204310, 286034, 408620, 469913, 572068, 715085, 939826, 1430170, 1879652, 2349565, 2860340, 3289391, 4699130, 6578782, 9398260, 13157564, 16446955, 32893910, 65787820]

約数ペア:

[(1, 65787820), (2, 32893910), (4, 16446955), (5, 13157564), (7, 9398260), (10, 6578782), (14, 4699130), (20, 3289391), (23, 2860340), (28, 2349565), (35, 1879652), (46, 1430170), (70, 939826), (92, 715085), (115, 572068), (140, 469913), (161, 408620), (230, 286034), (322, 204310), (460, 143017), (644, 102155), (805, 81724), (1610, 40862), (3220, 20431)]