8253040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1453}}^1$

素因数の和:1537

約数の個数: 40

約数和(自身を含む): 19471968

約数和(自身を除く): 11218928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1453, 2840, 2906, 5680, 5812, 7265, 11624, 14530, 23248, 29060, 58120, 103163, 116240, 206326, 412652, 515815, 825304, 1031630, 1650608, 2063260, 4126520, 8253040]

約数ペア:

[(1, 8253040), (2, 4126520), (4, 2063260), (5, 1650608), (8, 1031630), (10, 825304), (16, 515815), (20, 412652), (40, 206326), (71, 116240), (80, 103163), (142, 58120), (284, 29060), (355, 23248), (568, 14530), (710, 11624), (1136, 7265), (1420, 5812), (1453, 5680), (2840, 2906)]