12771140

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 27820800

約数和(自身を除く): 15049660

約数列:

[1, 2, 4, 5, 10, 20, 59, 79, 118, 137, 158, 236, 274, 295, 316, 395, 548, 590, 685, 790, 1180, 1370, 1580, 2740, 4661, 8083, 9322, 10823, 16166, 18644, 21646, 23305, 32332, 40415, 43292, 46610, 54115, 80830, 93220, 108230, 161660, 216460, 638557, 1277114, 2554228, 3192785, 6385570, 12771140]

約数ペア:

[(1, 12771140), (2, 6385570), (4, 3192785), (5, 2554228), (10, 1277114), (20, 638557), (59, 216460), (79, 161660), (118, 108230), (137, 93220), (158, 80830), (236, 54115), (274, 46610), (295, 43292), (316, 40415), (395, 32332), (548, 23305), (590, 21646), (685, 18644), (790, 16166), (1180, 10823), (1370, 9322), (1580, 8083), (2740, 4661)]