27923870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 57576960

約数和(自身を除く): 29653090

約数列:

[1, 2, 5, 10, 13, 26, 31, 41, 62, 65, 82, 130, 155, 169, 205, 310, 338, 403, 410, 533, 806, 845, 1066, 1271, 1690, 2015, 2197, 2542, 2665, 4030, 4394, 5239, 5330, 6355, 6929, 10478, 10985, 12710, 13858, 16523, 21970, 26195, 33046, 34645, 52390, 68107, 69290, 82615, 90077, 136214, 165230, 180154, 214799, 340535, 429598, 450385, 681070, 900770, 1073995, 2147990, 2792387, 5584774, 13961935, 27923870]

約数ペア:

[(1, 27923870), (2, 13961935), (5, 5584774), (10, 2792387), (13, 2147990), (26, 1073995), (31, 900770), (41, 681070), (62, 450385), (65, 429598), (82, 340535), (130, 214799), (155, 180154), (169, 165230), (205, 136214), (310, 90077), (338, 82615), (403, 69290), (410, 68107), (533, 52390), (806, 34645), (845, 33046), (1066, 26195), (1271, 21970), (1690, 16523), (2015, 13858), (2197, 12710), (2542, 10985), (2665, 10478), (4030, 6929), (4394, 6355), (5239, 5330)]