2155492880

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{341059}}^1$

素因数の和:341151

約数の個数: 40

約数和(自身を含む): 5074972800

約数和(自身を除く): 2919479920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 341059, 682118, 1364236, 1705295, 2728472, 3410590, 5456944, 6821180, 13642360, 26943661, 27284720, 53887322, 107774644, 134718305, 215549288, 269436610, 431098576, 538873220, 1077746440, 2155492880]

約数ペア:

[(1, 2155492880), (2, 1077746440), (4, 538873220), (5, 431098576), (8, 269436610), (10, 215549288), (16, 134718305), (20, 107774644), (40, 53887322), (79, 27284720), (80, 26943661), (158, 13642360), (316, 6821180), (395, 5456944), (632, 3410590), (790, 2728472), (1264, 1705295), (1580, 1364236), (3160, 682118), (6320, 341059)]