26781020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{821}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 64628928

約数和(自身を除く): 37847908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 233, 466, 821, 932, 1165, 1631, 1642, 2330, 3262, 3284, 4105, 4660, 5747, 6524, 8155, 8210, 11494, 16310, 16420, 22988, 28735, 32620, 57470, 114940, 191293, 382586, 765172, 956465, 1339051, 1912930, 2678102, 3825860, 5356204, 6695255, 13390510, 26781020]

約数ペア:

[(1, 26781020), (2, 13390510), (4, 6695255), (5, 5356204), (7, 3825860), (10, 2678102), (14, 1912930), (20, 1339051), (28, 956465), (35, 765172), (70, 382586), (140, 191293), (233, 114940), (466, 57470), (821, 32620), (932, 28735), (1165, 22988), (1631, 16420), (1642, 16310), (2330, 11494), (3262, 8210), (3284, 8155), (4105, 6524), (4660, 5747)]