164429680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{50131}}^1$

素因数の和:50185

約数の個数: 40

約数和(自身を含む): 391631184

約数和(自身を除く): 227201504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 50131, 100262, 200524, 250655, 401048, 501310, 802096, 1002620, 2005240, 2055371, 4010480, 4110742, 8221484, 10276855, 16442968, 20553710, 32885936, 41107420, 82214840, 164429680]

約数ペア:

[(1, 164429680), (2, 82214840), (4, 41107420), (5, 32885936), (8, 20553710), (10, 16442968), (16, 10276855), (20, 8221484), (40, 4110742), (41, 4010480), (80, 2055371), (82, 2005240), (164, 1002620), (205, 802096), (328, 501310), (410, 401048), (656, 250655), (820, 200524), (1640, 100262), (3280, 50131)]