26687440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 67995648

約数和(自身を除く): 41308208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 383, 520, 536, 670, 766, 871, 1040, 1072, 1340, 1532, 1742, 1915, 2680, 3064, 3484, 3830, 4355, 4979, 5360, 6128, 6968, 7660, 8710, 9958, 13936, 15320, 17420, 19916, 24895, 25661, 30640, 34840, 39832, 49790, 51322, 69680, 79664, 99580, 102644, 128305, 199160, 205288, 256610, 333593, 398320, 410576, 513220, 667186, 1026440, 1334372, 1667965, 2052880, 2668744, 3335930, 5337488, 6671860, 13343720, 26687440]

約数ペア:

[(1, 26687440), (2, 13343720), (4, 6671860), (5, 5337488), (8, 3335930), (10, 2668744), (13, 2052880), (16, 1667965), (20, 1334372), (26, 1026440), (40, 667186), (52, 513220), (65, 410576), (67, 398320), (80, 333593), (104, 256610), (130, 205288), (134, 199160), (208, 128305), (260, 102644), (268, 99580), (335, 79664), (383, 69680), (520, 51322), (536, 49790), (670, 39832), (766, 34840), (871, 30640), (1040, 25661), (1072, 24895), (1340, 19916), (1532, 17420), (1742, 15320), (1915, 13936), (2680, 9958), (3064, 8710), (3484, 7660), (3830, 6968), (4355, 6128), (4979, 5360)]