4126520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1453}}^1$

素因数の和:1535

約数の個数: 32

約数和(自身を含む): 9421920

約数和(自身を除く): 5295400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1453, 2840, 2906, 5812, 7265, 11624, 14530, 29060, 58120, 103163, 206326, 412652, 515815, 825304, 1031630, 2063260, 4126520]

約数ペア:

[(1, 4126520), (2, 2063260), (4, 1031630), (5, 825304), (8, 515815), (10, 412652), (20, 206326), (40, 103163), (71, 58120), (142, 29060), (284, 14530), (355, 11624), (568, 7265), (710, 5812), (1420, 2906), (1453, 2840)]