1346440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 3107160

約数和(自身を除く): 1760720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 821, 1640, 1642, 3284, 4105, 6568, 8210, 16420, 32840, 33661, 67322, 134644, 168305, 269288, 336610, 673220, 1346440]

約数ペア:

[(1, 1346440), (2, 673220), (4, 336610), (5, 269288), (8, 168305), (10, 134644), (20, 67322), (40, 33661), (41, 32840), (82, 16420), (164, 8210), (205, 6568), (328, 4105), (410, 3284), (820, 1642), (821, 1640)]